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Vestnik MGSU 2014/10

DOI : 10.22227/1997-0935.2014.10

Articles count - 24

Pages - 223

Main directions of russian construction industry intellectualization

  • Tabunshchikov Yuriy Andreevich - Moscow Architectural Institute (State Academy) doctor of Technical Sciences, corresponding member of Russian Academy of Architecture and Construction Sciences, Chair, Moscow Architectural Institute (State Academy), Editorial Board member, Moscow Architectural Institute (State Academy), .

Pages 5-6

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GENERAL PROBLEMS OF CONSTRUCTION-RELATED SCIENCES AND OPERATIONS. UNIFICATION AND STANDARDIZATION IN CIVIL ENGINEERING

Ropeways. Analysis of standard and legal base

  • Tseva Anna Viktorovna - Moscow State University of Civil Engineering (MGSU) assistant lecturer, Department of Architectural and Structural Design, Mytishchi Branch, Moscow State University of Civil Engineering (MGSU), 50 Olimpiyskiy prospekt, Mytishchi, Moscow Region, 141006, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Giyasov Botir Iminzhonovich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Associate Professor, chair, Department of Architectural and Construction Design, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (495) 287-49-14; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 7-15

The development of a new regulatory base in the field of ropeways construction in the Russian Federation is currently coming to an end. Federal legislation defines the following priorities: updating of Construction Norms and Regulations and state standard specifications, energy saving and energy efficiency, converging Russian and European Union standards (including standards for building design - Eurocodes). This work should be completed in 2014. Experience in designing and coordinating passenger ropeways projects may lead, after analyzing the current status of regulatory legal base, to the following suggestions: simplifying the order of ropeways registration and commissioning for the reduction in administrative resource; new regulatory base should include the links to appropriate Eurocodes (a list of which is provided in the article). Operating personnel and designers might also find useful clarifications on the application of Eurocodes and the links to the corresponding Russian normative documents, which regulate design, calculation and control of both the ropeway and its separate parts. Absence or under fulfillment of such rules (for example, as in the case of the method of calculating construction during various working/non-working ropeway modes) should lead to their further development, which may be carried out by a combined group of ropeway designers, ropeway technologists and other related specialists; expanding security rules for passenger, cargo and ski lift ropeways on other types of cable transport, such as APM-ATS systems, which may be used throughout the Russian Federation in the future.

DOI: 10.22227/1997-0935.2014.10.7-15

References
  1. Bovskiy G.N. Fragmenty istorii razvitiya kanatnykh dorog v nashey strane [History Fragments of the Development of Ropeways in our Country]. Bezopasnost' truda v promyshlennosti [Safety of Work in the Industry]. 2013, no. 4, pp. 86—88. (in Russian)
  2. Spravka po sblizheniyu (garmonizatsii) polozheniy osnovopolagayushchikh normativnykh dokumentov Rossiyskoy Federatsii s zarubezhnymi standartami, v tom chisle evropeyskimi [The Reference on Rapprochement (Harmonization) of the Provisions of Fundamental Normative Documents of the Russian Federation with Foreign Standards, Including European]. Tekhekspert: portal dlya proektirovshchikov [Technical Expert: Web Portal for Designers]. Available at: http://www.project-help.ru/assets/files/spravka.doc. Date of access: 15.11.2013. (in Russian)
  3. Basin E. Evrokody v Rossiyskoy Federatsii: printsip «Ne navredi!» [Eurocodes in the Russian Federation: the principle "Don't do harm!"]. Stroitel'stvo.ru : internet-zhurnal [Stroitel'stvo.ru: Internet Journal]. 2012, no. 12. Available at: http://www.rcmm.ru. Date of access: 15.11.2013. (in Russian)
  4. Commission communication in the framework of the implementation of the Directive 2000/9/EC of the European Parliament and of the Council of 20 March 2000 relating to cableway installations designed to carry persons (Publication of titles and references of harmonised standards under Union harmonisation legislation). Official Journal of the European Communities. 03.05.2000, L 106/21.
  5. Kazakova E. Nikolay Vecher: «Perekhod na evrokody sozdast na rossiyskom rynke bolee konkurentnuyu sredu» [Transition to Eurocodes will create more competitive environment in the Russian market]. Available at: http://www.estateline.ru/interviews/178/. Date of access: 15.11.2013. (in Russian)
  6. 2000/9/EG "Leitfaden für die Anwendung der Richtlinie 2000/9/EG des Europäischen Parlaments und des Rates vom 20. März 2000 über Seilbahnen für den Personenverkehr". Luxemburg, 2006, 155 p.
  7. Directive 2000/9/EC of the European Parliament and of the Council of 20 March 2000 relating to cableway installations designed to carry persons. Official Journal of the European Communities. 3.5.2000, L 106, pp. 21—48.
  8. Sotov I.N., Averin S.Yu. Poryadok polucheniya razreshitel'nykh dokumentov [Order of Obtaining Allowing Documents]. Gornolyzhnaya industriya Rossii [Ski Industry of Russia]. 2010, no. 3 (15), pp. 64—67. (in Russian)
  9. Bovskiy G. Aktual'nye voprosy ekspertizy [Topical Issues of Expert Examination]. Gornolyzhnaya industriya Rossii [Ski Industry of Russia]. 2010, no. 1 (13), pp. 40—42. (in Russian)
  10. Averin S.Yu. Zakonodatel'naya baza i poryadok registratsii kanatnykh dorog [Legislative Base and Procedure for Registration of Ropeways]. Gornolyzhnaya industriya Rossii [Ski Industry of Russia]. 2011, no. 5, pp. 30—33. (in Russian)
  11. Bovskiy G. Kanatnye dorogi [Ropeways]. Gornolyzhnaya industriya Rossii [Ski Industry of Russia]. 2007, no. 7, pp. 44—45. (in Russian)
  12. Kontseptsiya sozdaniya turisticheskogo klastera v Severo-Kavkazskom federal'nom okruge, Krasnodarskom krae i Respublike Adygeya [The Concept of Creating a Tourist Cluster in North Caucasus Federal District, Krasnodar Krai and the Republic of Adygea]. Moscow, 2011, 221 p. (in Russian)
  13. POMA. Lift Indefication Number S14580. Variant Indefication Number 4. Tower Calculation Note. 2010, 91 p.
  14. Ob utverzhdenii Federal'nykh norm i pravil v oblasti promyshlennoy bezopasnosti «Pravila bezopasnosti passazhirskikh kanatnykh dorog i funikulerov». Prikaz Rostekhnadzora ot 06.02.2014 № 42 [On Approval of Federal Norms and Regulations in the Field of Industrial Safety "Rules for Safe Operation of Passenger Ropeways and Cable Cars]. Konsul'tant plyus [Consultant Plus]. Available at: http://www.consultant.ru/document/cons_doc_LAW_163442/?frame=11. Date of access: 06.09.2014. (in Russian)
  15. Ob utverzhdenii Federal'nykh norm i pravil v oblasti promyshlennoy bezopasnosti «Pravila bezopasnosti gruzovykh podvesnykh kanatnykh dorog». Prikaz Federal'noy sluzhby po ekologicheskomu, tekhnologicheskomu i atomnomu nadzoru ot 22 noyabrya 2013 g. № 563 g. Moskva [On Approval of Federal Norms and Regulations in the Field of Industrial Safety "Rules for Safe Operation of Cargo Ropeways. Order of Federal Service for Environmental, Technological and Nuclear Supervision from November, 22 2013 no. 563, Moscow]. Rossiyskaya gazeta [Russian Newspaper]. 2014, March 3. Available at: http://www.rg.ru/2014/03/03/kanat-doroga-site-dok.html. Date of access: 06.03.2014. (in Russian)
  16. Las Vegas CityCenter APM. Automated Urban Transit. Automated transit sistem. Available at: http://www.leaelliott.com/automated-transit-systems.html#p40. Date of access: 06.03.14.
  17. People Mover. Venice, Italy. Doppelmayr Cable Car. Available at: http://www.dcc.at/files/sites/default/data/DCC/References/troncheto_piazzale_roma_schuttle_italy_press_release.pdf. Date of access: 06.03.14.
  18. Mandalay Bay Tram, Las Vegas, NV, USA Doppelmayr Cable Car. Available at: http://www.dcc.at/gallery/mandalay-bay-tram-las-vegas-usa/. Date of access: 06.03.14.
  19. Cabletren Bolivariano. Caracas, Venezuela. Doppelmayr Cable Car. Available at: http://www.dcc.at/gallery/cabletren-bolivariano-caracas-venezuela. Date of access: 06.03.14.
  20. Types of Ropeways. Leitner ropeways. Available at: http://en.leitner-ropeways.com/Infocenter/Types-of-Ropeways. Date of access: 06.03.14.

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DESIGNING AND DETAILING OF BUILDING SYSTEMS. MECHANICS IN CIVIL ENGINEERING

Dynamic load calculation of a bending plate of average thickness using general equations of finite differences method

  • Gabbasov Radek Fatykhovich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Professor, Department of Structural Mechanics, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (495) 287-49-14; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Hoang Tuan Anh - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Structural Mechanics, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (495) 287-49-14; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 16-23

The theory of plates and shells is the most important application of the theory of elasticity. Rectangular slabs of average thickness are quite widely in construction, engineering and other fields of modern technology. Calculation of such structures cannot be conducted on the basis of the classical theory of bending of thin plates. In order to obtain a reliable picture of stress-strain state of a plate with average thickness, it is necessary to use different versions of improved theories. The aim of this work is the use generalized equations of the finite difference method (FDM) to calculate the dynamic loads of the plates average with thickness basing on the Reissner theory. On the basis of the developed algorithms computer programs have been worked out for calculating the dynamic load of bending plates of average thickness. The algorithm of calculating the dynamic load of bending plates of average thickness according to generalized equations of FDM can be recommended for practical use in frames of studying process.

DOI: 10.22227/1997-0935.2014.10.16-23

References
  1. Amosov A.A. Ob ispol'zovanii utochennykh teoriy plastin i obolochek pri issledovanii svobodnykh kolebaniy [On the Use of Improved Theories of Plates and Shells in the Study of Free Oscillations]. Stroitel'naya mekhanika i raschet sooruzheniy [Structural Mechanic and Calculation of Structures]. 1990, no. 1, pp. 36—39. (in Russian)
  2. Argiros Dzh., Sharpf D. Teoriya rascheta plastin i obolochek s uchetom deformatsiy poperechnogo sdviga na osnove metoda konechnogo elementa [Calculation Theory of Plates and Shells with the Transverse Shear Deformations on the Basis of the Finite Element Method]. Raschet uprugikh konstruktsiy s ispol'zovaniem EVM [Calculation of Elastic Structures Using ECM]. Leningrad, Sudostroenie Publ., 1974, vol. 1, pp. 179—210. (in Russian)
  3. Varvak P.M. Raschet tolstoy kvadratnoy plity, zashchemlennoy po bokovym granyam [Calculation of a Thick Square Plate Stiffened on the Side Edges]. Raschet prostranstvennykh konstruktsiy : sbornik statey [Calculation of Spatial Structures: Collection of Articles]. Moscow, Gosstroyizdat Publ., 1959, no. 5, pp. 245—259. (in Russian)
  4. Gabbasov R.F, Nizomov D. Chislennoe reshenie nekotorykh dinamicheskikh zadach stroitel'noy mekhaniki [Numerical Solutions of Some Dynamical Problems of Structural Mechanics]. Stroitel'naya mekhanika i raschet sooruzheniy [Structural Mechanics and Calculation of Structures]. 1985, no. 6, pp. 51—54. (in Russian)
  5. Timoshenko S.P., Woinowsky-Krieger S. Theory of Plates and Shells. McGraw-Hill, New York, 1959, second edition, 595 pp.
  6. Kiselev V.A. Raschet plastin [Calculation of Plates]. Moscow, Stroyizdat Publ., 1973, 151 p. (in Russian)
  7. Rabinovich I.M. Osnovy dinamicheskogo rascheta sooruzheniy na deystvie mgnovennykh i kratkovremennykh sil [Fundamentals of the Dynamic Analysis of Structures on an Instantaneous and Short-term Forces]. Moscow, Stroyizdat Publ., 1945, 85 p. (in Russian)
  8. Rabinovich I.M., Sinitsyn A.P., Terenin B.M. Raschet sooruzheniy na deystvie kratkovremennykh i mgnovennykh sil [Calculation of Structures for the Action of Short-term and Impulse Forces]. Moscow, VIA Publ., 1956, Vol. 1. Part 1. 464 p. (in Russian)
  9. Papush A.V. Raschet plity sredney tolshchiny s uchetom poperechnogo sdviga [Calculation of a Plate of the Average Thickness Taking into Account the Transverse Shear]. Tezisy respublikanskoy nauchno-praktickeskoy konferentsii uchenykh, Dushanbe, 12—14 aprelya, 1990. Sektsiya Tekhnicheskoy nauki : Sbornik nauchnykh statey [Theses of the Republican Scientific and Practical Conference of Scientists, Dushanbe, April 12—14, 1990. Technical Science Section : Collection of Scientific Articles]. Tadjik Republican Board of VNTO of the Construction Industry, Young Scientists Board of the Tadjik Polytechnic Institute, Dushanbe, 1990, pp. 84—86. (in Russian)
  10. Reva E.A. K resheniyu prostranstvennoy zadachi teorii uprugosti dlya tolstoy pryamougol'noy plity [On the Solution of the Spatial Problem of Elasticity Theory for a Thick Rectangular Plate]. Materialy 9-y nauchno-tekhnicheskoy konferentsii [Materials of the 9th Scientific and Technical Conference]. Kharkiv, UZPI, 1968, no. 2, pp. 128—131. (in Russian)
  11. Rustamov D., Khalikov R. Raschet plit sredney tolshchiny so smeshannymi usloviyami [Calculation of the Plates of Average Thickness with Mixed Conditions]. Chislennye metody v prikladnoy matematike [Computational Methods in Applied Mathematics]. Samarkand, 1979, pp. 44—50. (in Russian)
  12. Saakyan S.M. Izgib pryamougol'noy tolstoy plity s zadelannymi krayami [Bending of Rectangular Thick Plate with Clamped Edges]. Doklady AN Armenii SSR [Reports of the Armenian Academy of Sciences of the SSR]. 1965, issue 40, no. 3, pp. 137—143. (in Russian)
  13. Aynola L.Ya. Ob utochennykh teoriyakh plastinok tipa Reyssnera [On Improved Theories for the Reissner Theory of Plates]. Trudy IV Vsesoyuznoy konferentsii po teorii obolochek i plastin [Works of the 4th All-Union Conference on the Theory of Shells and Plates]. Erevan, 1964, pp.171—177. (in Russian)
  14. Green A.E. On Reissner’s Theory of Bending of Elastic Plates. Quart. Appl. Math. 1949, vol. 7, no. 2, pp. 223—228.
  15. Nordgren R.P. A Bound on the Error in Reissner’s Theory of Plates. Quart. Appl. Math., 1972, no. 29, pp. 551—556.
  16. Reissner E. The effect of transverse shear deformation on the bending of elastic plates. J. Appl. Mech. 1945, vol. 12, no. 2, pp. 69—77.
  17. Reissner E. On Bending of Elastic Plates. Quart. Appl. Math. 1947, vol. 5, no. 1, pp. 55—68.
  18. Reissner E. On Transverse Bending of Plates, Including the Effects of Transverse Shear Deformation. Int. J. Solids Struct. 1975, vol. 11, no. 5, pp. 569—573.
  19. Rychter Z. An Improved Bound on the Error in Reissner’s Theory of Plates. Arch. Mech. Warszawa, 1986, vol. 38, no. 1, 2, pp. 209—213.
  20. Gabbasov R.F., Gabbasov A.R., Filatov V.V. Chislennoe postroenie razryvnykh resheniy zadach stroitel'noy mekhaniki [Numerical Development of Discontinuous Solutions of the Problems of Structural Mechanics]. Moscow, ASV Publ., 2008, 277 p. (in Russian)

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Variation and parametric choice method for rational parameters of reinforced orthotropic rotational shells

  • Ignat'ev Oleg Vladimirovich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Professor, Vice-Rector, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-94-82; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Karpov Vladimir Vasil'evich - Saint-Petersburg State University of Architecture and Civil Engineering (SPSUACE) Doctor of Technical Sciences, Professor, Department of Applied Mathematics and Computer Science, Saint-Petersburg State University of Architecture and Civil Engineering (SPSUACE), 190005, 4 Vtoraya Krasnoarmeyskaya str., Saint Petersburg, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Semenov Aleksey Aleksandrovich - Saint-Petersburg State University of Architecture and Civil Engineering (SPSUACE) postgraduate student, senior lecturer, Department of Applied Mathematics and Computer Science, Saint-Petersburg State University of Architecture and Civil Engineering (SPSUACE), 190005, 4 Vtoraya Krasnoarmeyskaya str., Saint Petersburg, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 24-33

In the modern construction, shipbuilding, mechanical, aircraft engineering and other fields of industry structures in the form of shells, including orthotropic shells, gained widespread currency. In order to raise their rigidity they are strengthened by reinforcing elements (ribs). In the process of shell constructions’ design the choice of rational construction parameters is very important (rational placement of ribs, their rigidity, curvature). The volume of the shell material is usually a minimalised efficiency function. At that the limit values of stress level in the shell and its stability are the restrictions. It is proposed to use variation and parametric method for choosing the angle and reinforcements by stiffening plates so that the shell construction would not lose its stability and reliability. The applied method with change of continuation parameters gives a scheme of coordinate-wise incline, which provides relative simplicity of choosing rational construction type in case of the given loads and restrictions on its stress-strain state.

DOI: 10.22227/1997-0935.2014.10.24-33

References
  1. Pikul' V.V. Sovremennoe sostoyanie teorii ustoychivosti obolochek [The Current State of Shell Stability Theory]. Vestnik Dal'nevostochnogo otdeleniya Rossiyskoy akademii nauk [Proceedings of Far Eastern Branch of the Russian Academy of Sciences]. 2008, no. 3, pp. 3—9. (in Russian)
  2. Treshchev A.A., Shereshevskiy M.B. Issledovanie NDS pryamougol'noy v plane obolochki polozhitel'noy gaussovoy krivizny iz ortotropnykh materialov s uchetom svoystv raznosoprotivlyaemosti [Investigation of Stress-Strain State of a Rectangular-plan Shell of a Positive Gaussian Curvature Made of Orthotropic Materials with Account for Multimodulus Behavior Features]. Vestnik Volgogradskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. Seriya Stroitel'stvo i arkhitektura [Proceedings of Volgograd State University of Architecture and Civil Engineering. Series: Construction and Architecture]. 2013, no. 31 (50), part 2, pp. 414—421. (in Russian)
  3. Karpov V., Semenov A. Strength and Stability of Orthotropic Shells. World Applied Sciences Journal. 2014, 30 (5), pp. 617—623. Available at: http://www.idosi.org/wasj/wasj30(5)14/14.pdf. Date of access: 12.09.2014. DOI: http://dx.doi.org/10.5829/idosi.wasj.2014.30.05.14064.
  4. Maksimyuk V.A., Storozhuk E.A., Chernyshenko I.S. Variational Finite-difference Methods in Linear and Nonlinear Problems of the Deformation of Metallic and Composite Shells (Review). International Applied Mechanics. 2012, vol. 48, no. 6, pp. 613—687. DOI: http://dx.doi.org/10.1007/s10778-012-0544-8.
  5. Qatu M.S., Sullivan R.W., Wang W. Recent Research Advances on the Dynamic Analysis of Composite Shells: 2000—2009. Composite Structures. 2010, vol. 93, no. 1, pp. 14—31. DOI: http://dx.doi.org/10.1016/j.compstruct.2010.05.014.
  6. Trushin S.I., Sysoeva E.V., Zhuravleva T.A. Ustoychivost' nelineyno deformiruemykh tsilindricheskikh obolochek iz kompozitsionnogo materiala pri deystvii neravnomernykh nagruzok [Stability of Nonlinear Deformable Cylindrical Shells Made of Composite Material under Action of Nonuniform Loads]. Stroitel'naya mekhanika inzhenernykh konstruktsiy i sooruzheniy [Structural Mechanics of Engineering Structures and Constructions]. 2013, no. 2, pp. 3—10. (in Russian)
  7. Kirakosyan R.M. Ob odnoy utochnennoy teorii gladkikh ortotropnykh obolochek peremennoy tolshchiny [On One Improved Theory of Smooth Orthotropic Shells of Variable Thickness]. Doklady natsional'noy akademii nauk Armenii [Reports of National Academy of Sciences of Armenia]. 2011, no. 2, pp. 148—156. (in Russian)
  8. Antuf'ev B.A. Lokal'noe deformirovanie diskretno podkreplennykh obolochek [Local Deformation of Discretely Reinforced Shells]. Moscow, MAI Publ., 2013, 182 p. (in Russian)
  9. Moskalenko L.P. Effektivnost' podkrepleniya pologikh obolochek rebrami peremennoy vysoty [Reinforcement Efficiency of Shallow Shells by Ribs of Variable Height]. Vestnik grazhdanskikh inzhenerov [Bulletin of Civil Engineers]. 2011, no. 3 (28), pp. 46—50. (in Russian)
  10. Qu Y., Wu S., Chen Y., Hua H. Vibration Analysis of Ring-Stiffened Conical—Cylindrical—Spherical Shells Based on a Modified Variational Approach. International Journal of Mechanical Sciences. April 2013, vol. 69, pp. 72—84. Available at: http://dx.doi.org/10.1016/j.ijmecsci.2013.01.026/. Date of access: 29.08.2014.
  11. Maksimyuk V.A., Storozhuk E.A., Chernyshenko I.S. Nonlinear Deformation of Thin Isotropic and Orthotropic Shells of Revolution with Reinforced Holes and Rigid Inclusions. International Applied Mechanics. 2013, vol. 49, no. 6, pp. 685—692. DOI: http://dx.doi.org/10.1007/s10778-013-0602-x.
  12. Lindgaard E., Lund E. A Unified Approach to Nonlinear Buckling Optimization of Composite Structures. Computers & Structures. 2011, vol. 89, no. 3—4, pp. 357—370. DOI: http://dx.doi.org/10.1016/j.compstruc.2010.11.008.
  13. Tomás A., Martí P. Shape and Size Optimisation of Concrete Shells. Engineering Structures. 2010, vol. 32, no. 6, pp. 1650—1658. DOI: http://dx.doi.org/10.1016/j.engstruct.2010.02.013.
  14. Amiro I.Ya., Zarutskiy V.A. Issledovaniya v oblasti ustoychivosti rebristykh obolochek [Investigations in the Field of Ribbed Shells’ Stability]. Prikladnaya mekhanika [Applied Mechanics]. 1983, vol. 19, no. 11, pp. 3—20. (in Russian)
  15. Ignat'ev O.V., Karpov V.V., Filatov V.N. Variatsionno-parametricheskiy metod v nelineynoy teorii obolochek stupenchato-peremennoy tolshchiny [Variational and Parametric Method in Nonlinear Theory of Shells of Step-Variable Thickness]. Volgograd, VolgGASA Publ., 2001, 210 p. (in Russian)
  16. Bakouline N., Ignatiev O., Karpov V. Variation Parametric Research Technique of Variable by Step Width Shallow Shells with Finite Deflections. International Journal for Computational Civil and Structural Engineering. 2000, vol. I, no. 3, pp. 1—6.
  17. Karpov V.V., Ignat'ev O.V. Metod posledovatel'nogo izmeneniya krivizny [Method of Consequent Change in Curvature]. Matematicheskoe modelirovanie, chislennye metody i kompleksy programm : mezhvuzovskiy tematicheskiy sbornik trudov [Mathematical Modeling, Numerical Methods and Program System]. Saint Petersburg, SPbGASU Publ., 1996, no. 2, pp. 131—135. (in Russian)
  18. Karpov V.V. Prochnost' i ustoychivost' podkreplennykh obolochek vrashcheniya: v 2 ch. Ch. 1: Modeli i algoritmy issledovaniya prochnosti i ustoychivosti podkreplennykh obolochek [Stability and Reliability of Reinforced Rotational Shells: in 2 Parts. Part 1: Research Models and Algorithms of Stability and Reliability of Reinforced Shells]. Moscow, Fizmatlit Publ., 2010, 288 p. (in Russian)
  19. Karpov V.V., Semenov A.A. Matematicheskaya model' deformirovaniya podkreplennykh ortotropnykh obolochek vrashcheniya [Mathematical Deformation Model of Reinforced Orthotropic Rotational Shells]. Inzhenerno-stroitel'nyy zhurnal [Magazine of Civil Engineering]. 2013, no. 5, pp. 100—106. (in Russian)
  20. Petrov V.V. Metod posledovatel'nykh nagruzheniy v nelineynoy teorii plastinok I obolochek [Method of Consequent Loadings in Nonlinear Theory of Plates and Shells]. Saratov, SGU im. N.G. Chernyshevskogo Publ., 1975, 119 p. (in Russian)

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Burst strength analysis for a plate of girderless capitelless floor

  • Kremnev Vasiliy Anatol'evich - LLC "InformAviaKoM" Director General, LLC "InformAviaKoM", 2 Pionerskaya str., Korolev, Moscow Region, 141074, Russian Federation; +7 (495) 645-20-62; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Kuznetsov Vitaliy Sergeevich - Mytishchi Branch, Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Professor, Department of Architectural and Construction Design, Mytishchi Branch, Moscow State University of Civil Engineering (MGSU), 50 Olimpiyskiy prospect, Mytishchi, Moscow Region, 141006, Russian Federation; +7 (495) 583-07-65; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Talyzova Yulia Aleksandrovna - Mytishchi Branch, Moscow State University of Civil Engineering (MGSU) Assistant Lecturer, Department of Architectural and Construction Design, Mytishchi Branch, Moscow State University of Civil Engineering (MGSU), 50 Olimpiyskiy prospect, Mytishchi, Moscow Region, 141006, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 34-40

The paper presents calculations of the punching girderless monolithic slab with transverse reinforcement under the action of a concentrated force in accordance with the applicable regulations. The authors specify the circumstances that may limit the use of the certain sizes of spans of beamless floors. The influence of various factors on ensuring the strength of the joints of columns and ceiling is obserced, such as the class of the concrete slab thickness, the presence of transverse reinforcement. In this paper the calculations of the burst strength were performed for girderless slabs of the thickness 20, 21 , 22, 23, 24 and 25 cm of concrete classes B15, B20, B25, B30 and columns of square section with the side b = 30 cm. The cells of 5 × 5, 6 × 6, 7 × 7, 8 × 8, 9 × 9 m were analized. Bending moments were not taken into account. The utmost bursting effort for various classes of concrete slab thickness and the absence or presence of transverse reinforcement were discovered. The limiting uniformly distributed loads for plates with different grid of columns were calculated. It was found out that in case of the size of the cells up to 5 x 5 m inclusively, you can use all the above concrete classes and slab thicknesss. But in case of the cells of 9 x 9 m and more the use of overlap without capitals is problematic because of the impossibility to ensure the burst strength without special design solutions. Some of contemporary ways to expand the use of overlap without capitals are: the use of high-strength concretes, application of stiff reinforcement in the area of joint of stiff reinforcement, fiber reinforcement and the use of prestressed reinforcement.

DOI: 10.22227/1997-0935.2014.10.34-40

References
  1. Pogrebnoy I.O., Kuznetsov V.D. Bezrigel'nyy predvaritel'no napryazhennyy karkas s ploskim perekrytiem [Beamless Prestressed Frame with flat S;ab]. Inzhenerno-stroitel'nyy zhurnal [Civil Engineering Journal]. 2010, no. 3. Pp. 52—55. Available at: http://engstroy.spb.ru/index_2010_03/pogrebnoy_prednapryazheniye.pdf. Date of access: 5.12.2014. (in Russian)
  2. Karpenko N.I. Obshchie modeli mekhaniki zhelezobetona [General Models of Reinforced Concrete Mechanics]. Moscow, Stroyizdat Publ., 1996, 413 p. (in Russian)
  3. Beglov A.D., Sanzharovskiy R.S. Teoriya rascheta zhelezobetonnykh konstruktsiy na prochnost' i ustoychivost'. Sovremennye normy i Evrostandarty [Theory of Strength and Stability Calculation for Reinforced Concrete Structures. Modern Norms and European Standards]. Saint Petersburg, SPbGASU Publ.; Moscow, ASV Publ., 2006, 221 p. (in Russian)
  4. Vol'mir A.S. Gibkie plastinki i obolochki [Flexible Plates and Shells]. Moscow, GITTL Publ. 1956, 420 p. (in Russian)
  5. Miroslaw Wieczorek. Influence of Amount and Arrangement of Reinforcement on the Mechanism of Destruction of the Corner Part of a Slab-Column Structure. Proсedia Engineering. 2013, vol. 57, pp. 1260—1268. Available at: http://www.sciencedirect.com. Date of access: 5.12.2014. DOI: http://dx.doi.org/10.1016/j.proeng.2013.04.159.
  6. Vatin I.N., Ivanov A.D. Sopryazhenie kolonny i bezrebristoy beskapitel'noy plity perekrytiya monolitnogo zhelezobetonnogo karkasnogo zdaniya [Pairing of Columns And Slabs Without Edges And Without Capitals Monolithic In A Reinforced Concrete Frame Building]. Saint Petersburg, 2006, 82 p. Available at: http://www.engstroy.spb.ru/library/ivanov_kolonna_i_perekrytie.pdf. Date of access: 22.01.2014. (in Russian)
  7. Samokhvalova E.O., Ivanov A.D. Styk kolonny s bezbalochnym beskapitel'nym perekrytiem v monolitnom zdanii [Joint of Columns with Beamless Noncap Overlap in a Monolithic Building]. Inzhenerno-stroitel'nyy zhurnal [Civil Engineering Journal]. 2009, no. 3, pp. 33—37. Available at: http://www.engstroy.spb.ru/index_2009_03/samohvalova_styk.pdf. Date of access: 22.01.2014. (in Russian)
  8. Rukovodstvo po proektirovaniyu zhelezobetonnykh konstruktsiy s bezbalochnymi perekrytiyami [Guidelines for the Design of Concrete Structures with Beamless Floors ]. Moscow, Stroyizdat Publ., 1979, 50 p. (in Russian)
  9. Tikhonov I.N. Armirovanie elementov monolitnykh zhelezobetonnykh zdaniy [Reinforcement of the Elements of Monolithic Reinforced Concrete Buildings]. Moscow, NIIZhB im. A.A. Gvozdeva Publ., 2007,168 p. (in Russian)
  10. Bezukhov N.I. Osnovy teorii uprugosti, plastichnosti i polzuchesti [Fundamentals of the Theory of Elasticity and Creep]. Moscow, Vysshaya shkola Publ., 1968, 512 p. (in Russian)
  11. Zenunovica D., Folic R. Models for Behavior Analysis of Monolithic Wall and Precast or Monolithic Floor Slab Connections. Engineering Structures. July 2012, vol. 40, pp. 466—478. Available at: http://www.sciencedirect.com/science/article/pii/S0141029612001241. Date of access: 10.01.2014. DOI: http://dx.doi.org/10.1016/j.engstruct.2012.03.007.
  12. Soudki K., El-Sayed A.K., VanZwolc T. Strengthening of Concrete Slab-Column Connections Using CFRP Strips. Journal of King Saud University — Engineering Sciences. January 2012, vol. 24, no. 1, pp. 25—33. Available at: http://www.sciencedirect.com/science/article/pii/S1018363911000559. Date of access: 10.04.2013.
  13. Paillé J.-M. Eurocode. Calcul des structures en béton. Guide d'application. Paris, Afnor, Eyrolles, octobre 2013, 718 p. Available at: http://www.editions-eyrolles.com/Livre/9782212137330/calcul-des-structures-en-beton. Date of access: 10.01.2014.
  14. Altenbach H., Huang C., Naumenko K. Creep-damage Predictions in Thin-Walled Structures by Use of Isotropic and Anisotropic Damage Models. The journal of Strain Analysis for Engineering Design. 2002, vol. 37, no. 3, pp. 265—275. DOI: http://dx.doi.org/10.1243/0309324021515023.
  15. Altenbach H., Morachkovsky O., Naumenko K., Sychov A. Geometrically Nonlinear Bending of Thin-Walled Shells and Plates under Creep-Damage Conditions. Archive of Applied Mechanics. 1997, vol. 67, no. 5, pp. 339—352. DOI: http://dx.doi.org/10.1007/s004190050122.

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Two-sided evaluations based on the variational formulations of integral equations for the stability of elastic rods

  • Kupavtsev Vladimir Vladimirovich - Moscow State University of Civil Engineering (MGSU) Candidate of Physical and Mathematical Sciences, Associated Professor, Department of Theoretical Mechanics and Aerodynamics, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Мoscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 41-47

The author considers the method of two-sided evaluations in solving the problems of stability of one-span elastic non-uniformly compressed rod with variable longitudinal bending rigidity in case of different classic conditions of fixation of the rod ends. The minimum critical value of the loading parameter for the rod is represented as a problem of calculating minimum value of the functional corresponding to the Euler equation, which is the same as the integral equation for the rod stability. Using the inequalities following from the problem of the best approximation of a Hilbert space element through the basic functions, the author constructs two sequences of functionals, the minimum values of which are the lower evaluations and the upper ones for the required value of the loading parameter. The basic functions here are the derivative forms of the stability loss for a rod with constant cross-section, compressed by longitudinal forces applied at the rod ends. The calculation of the lower bounds value is reduced to the determination of the maximum eigenvalues of block matrices. The elements of the aforesaid matrices are expressed through the integrals of basic functions depending on the type of the fixation of the rod ends. The calculation of the upper bound value is reduced to the determination of the maximum eigenvalue of the matrix, which almost coincides with one of the modular matrices. It is noted that the obtained upper bound evaluations are not worse than the evaluations obtained by the Ritz method with the use of the same basic functions.

DOI: 10.22227/1997-0935.2014.10.41-47

References
  1. Kupavtsev V.V. Variatsionnye formulirovki integral'nogo uravneniya ustoychivosti uprugikh sterzhney [Variational Formulations of the Integral Equation of Stability of Elastic Bars]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2012, no. 9, pp. 137—143. (in Russian)
  2. Rzhanitsyn A.R. Ustoychivost' ravnovesiya uprugikh system [Stability of Equilibrium of Elastic Systems]. Moscow, GITTL Publ., 1955, 475 p. (in Russian)
  3. Alfutov N.A. Osnovy rascheta na ustoychivost' uprugikh system [Fundamentals of the Stability Analysis of the Elastic Systems]. 2-nd edition. Moscow, Mashinostroenie Publ., 1991, 336 p. (in Russian)
  4. Kupavtsev V.V. Bazisnye funktsii metoda dvustoronnikh otsenok v zadachakh ustoychivosti uprugikh neodnorodno-szhatykh sterzhney [Basic Functions for the Method of Two-sided Evaluations in the Problems of Stability of Elastic Non-uniformly Compressed Rods]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 6, pp. 63—70. (in Russian)
  5. Panteleev S.A. Dvustoronnie otsenki v zadachakh ob ustoychivosti szhatykh uprugikh blokov [Bilateral Assessments in the Stability Problem of Compressed Elastic Blocks]. Izvestiya RAN. Mekhanika tverdogo tela [News of the Russian Academy of Sciences. Solid Body Mechanics]. 2010, no. 1, pp. 51—63. (in Russian)
  6. Santos H.A., Gao D.Y. Canonical Dual Finite Element Method for Solving Post-Buckling Problems of a Large Deformation Elastic Beam. International Journal Non-linear Mechanics. 2012, vol. 47, no. 2, pp. 240—247. DOI: http://dx.doi.org/10.1016/j.ijnonlinmec.2011.05.012.
  7. Manchenko M.M. Ustoychivost' i kinematicheskie uravneniya dvizheniya dinamicheski szhatogo sterzhnya [Dynamically Loaded Bar: Stability and Kinematic Equations of Motion]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 6, pp. 71—76. (in Russian)
  8. Bogdanovich A.U., Kuznetsov I.L. Prodol'noe szhatie tonkostennogo sterzhnya peremennogo secheniya pri razlichnykh variantakh zakrepleniya tortsov. Soobshchenie 1 [Longitudinal Compression of a Thin-Walled Bar of Variable Cross Section with Different Variants of Ends Fastening (Information 1)]. Izvestiya vuzov. Stroitel'stvo [News of Institutions of Higher Education. Construction]. 2005, no. 10, pp. 19—25. (in Russian)
  9. Bogdanovich A.U., Kuznetsov I.L. Prodol'noe szhatie tonkostennogo sterzhnya peremennogo secheniya pri razlichnykh variantakh zakrepleniya tortsov. Soobshchenie 2 [Longitudinal Compression of a Thin-Walled Core of Variable Cross Section with Different Variants of Ends Fastening (Information 2)]. Izvestiya vuzov. Stroitel'stvo [News of Institutions of Higher Education. Construction]. 2005, no. 11, pp. 10—16. (in Russian)
  10. Selamet S., Garlock M.E. Predicting the Maximum Compressive Beam Axial During Fire Considering Local Buckling. Journal of Constructional Steel Research. 2012, vol. 71, pp. 189—201. DOI: http://dx.doi.org/10.1016/j.jcsr.2011.09.014.
  11. Vo Thuc P., Thai Huu-Tai. Vibration and Buckling Of Composite Beams Using Refined Shear Deformation Theory. International Journal of Mechanical Sciences. 2012, vol. 62, no. 1, pp. 67—76. DOI: http://dx.doi.org/10.1016/j.ijmecsci.2012.06.001.
  12. Kanno Yoshihiro, Ohsaki Makoto. Optimization-bazed Stability Analysis of Structures under Unilateral Constraints. International Journal for Numerical Methods in Engineering. 2009, vol. 77, no. 1, pp. 90—125.
  13. Doraiswamy Srikrishna, Narayanan Krishna R., Srinivasa Arun R. Finding Minimum Energy configurations for constrained beam buckling problems using the Viterbi algorithm. International Journal of Solids and Structures. 2012, vol. 49, no. 2, pp. 289—297.
  14. Rektoris К. Variational methods in Mathematics, Science and Engineering. Prague, SNTL-Publ., Techn. Liter., 1980. (in Russian)
  15. Kupavtsev V.V. Variatsionnye formulirovki zadach ustoychivosti uprugikh sterzhney cherez izgibayushchie momenty [Variational Formuliations of Stability Problems of Elastic Rods Using Bending Moments]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2010, no. 4, vol. 3, pp. 285—289. (in Russian)

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Continuation of the solution of an elliptic equation and mathematical tesselations

  • Ovchintsev Mikhail Petrovich - Moscow State University of Civil Engineering (MGSU) Candidate of Physical and Mathematical Sciences, Associate Professor, Department of Higher Mathematics, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Sitnikova Elena Georgievna - Moscow State University of Civil Engineering (MGSU) Candidate of Physical and Mathematical Sciences, Professor, Department of Higher Mathematics, Moscow State University of Civil Engineering (MGSU), .

Pages 48-53

In the following article the authors continue investigating elliptical equation. Let P be an unlimited cylinder in the space R3, the cross-section of which is a regular dodecagon. The authors have previously estimated linear self-conjugate uniformly elliptic equation of second order in the cylinder and obtained theorems on the growth of the solution in bounded domain. In order to prove the theorems we have to continue solving the differential equation and its coefficients for the whole space Rn.
Let L be a second order linear differential operator in a divergence form which is uniformly elliptic and h is its ellipticity constant. Let u be a solution of the mixed boundary value problem in P for the equation Lu=0 (u>0) with homogeneous Dirichlet and Neumann data on the boundary of the cylinder.
In this paper the solution for mixed boundary value problem is continued from the cylinder to the whole space R3.
The solution of the mixed problem has connection with the notion of the mathematical tessellation. This tessellation is a sum of nonintersecting regular dodecagons and triangles filling the whole space R2

DOI: 10.22227/1997-0935.2014.10.48-53

References
  1. Sitnikova E.G. Neskol’ko teorem tipa Fragmena — Lindelefa dlya ellipticheskogo uravneniya vtorogo poryadka [Several Theorems of Phragmen-Lindelof Type for the Second Order Differential Equation]. Voprosy matematiki i mekhaniki sploshnykh sred: sbornik trudov [Problems of Mathematics and Mechanics of Continuous Media: Collection of Works]. Moscow, MGSU Publ., 1984, pp. 98—104. (in Russian)
  2. Landis E.M. O povedenii resheniy ellipticheskikh uravneniy vysokogo poryadka v neogranichennykh oblastyakh [On Solutions Behavior of High Order Elliptic Equations in Unbounded Domains]. Trudy MMO [Works of Moscow Mathematical Society]. Moscow, MGU Publ., 1974, vol. 31, pp. 35—58. (in Russian)
  3. Brodnikov A.P. Sobstvennye funktsii i sobstvennye chisla operatora Laplasa dlya treugol’nikov [Eigenfunctions and Eigenvalues of the Laplace Operator for Triangles]. Available at: http://chillugy.narod.ru/Mathematics/laplas/start/start.html. Date of access: 17.02.2014. (in Russian)
  4. Kolmogorov A.N. Parkety iz pravil’nykh mnogougol’nikov [Tesselations of the Regular Polygons]. Kvant [Quantum]. 1970, no. 3. Available at: http://kvant.mccme.ru/1970/03/parkety_iz_pravilnyh_mnogougol.htm. Date of access: 17.02.2014. (in Russian)
  5. Mikhaylov O. Odinnadtsat’ pravil’nykh parketov [Eleven Regular Tessellation]. Kvant [Quantum]. 1979, no. 2. Available at: http://kvant.mccme.ru/1979/02/odinnadcat_pravilnyh_parketov.htm. Date of access: 17.02.2014. (in Russian)
  6. Sitnikova E.G. Prodolzhenie obobshchennogo resheniya kraevoy zadachi [Continuation of the Generalized Solution for the Boundary Value Problem]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2007, no. 1, pp. 16—18. (in Russian)
  7. Mikhaylov V.P. Differentsial’nye uravneniya v chastnykh proizvodnykh [Differential Equations in Partial Derivatives]. Moscow, Nauka Publ., 1976, 391 p. (in Russian)
  8. Mikhlin S.G. Kurs matematicheskoy fiziki [Course in Mathematical Physics]. Moscow, Nauka Publ., 1968, 576 p. (in Russian)
  9. Petrovskiy N.G. Lektsii ob uravneniyakh s chastnymi proizvodnymi [Lections on the Equations with Partial Derivatives]. 3rd edition, Moscow, Fizmatgiz Publ., 1961, 401 p. (in Russian)
  10. Lazutkin V.F. Ob asimptotike sobstvennykh funktsiy operatora Laplasa [On the Asymptotics of Eigenfunctions of Laplace Operator]. Doklady AN SSSR [Proceedings of the USSR Academy of Sciences]. 1971, vol. 200, no. 6, pp. 1277—1279. (in Russian)
  11. Jiaquan Liu, Zhi-Qiang Wang, Xian Wu. Multibump Solutions for Quasilinear Elliptic Equations with Critical Growth. AIP. J. Math. Phys. 2013, no. 54, 121501. Available at: http://scitation.aip.org/content/aip/journal/jmp/54/12/10.1063/1.4830027. Date of access: 17.02.2014. DOI: http://dx.doi.org/10.1063/1.4830027.
  12. Chavey D. Tilings by Regular Polygons—II: A Catalog of Tilings. Computers & Mathematics with Applications. 1989, vol. 17, no. 1—3, pp. 147—165. DOI: http://dx.doi.org/10.1016/0898-1221(89)90156-9.
  13. Grünbaum B., Shephard G.C. Tilings And Pattern. New York, W.H. Freeman and Company, 1987, 700 p.
  14. Berger R. The Undecidability of the Domino Problem. Memoirs of the American Mathematical Society. 1966, no. 66, pp. 1—72.
  15. Penrose R. Pentaplexity: A Class of Non-Periodic Tilings of the Plane. The Mathematical Intelligencer. 1979, vol. 2, no. 1, pp. 32—37. DOI: http://dx.doi.org/10.1007/BF03024384.

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Behaviour of exponential means of Fourier series and conjugated Fourier series in Lebesgue points

  • Osilenker Boris Petrovich - Moscow State University of Civil Engineering (MGSU) Doctor of Physical and Mathematical Sciences, Professor, Professor, Department of Higher Mathematics, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Nakhman Aleksandr Davidovich - Tambov State Technical University (TSTU) Candidate of Physical and Mathematical Sciences, Associate Professor, Department of Applied Mathematics and Mechanics, Tambov State Technical University (TSTU), 106 Sovetskaya, Tambov, 392000, Russian Federation; +7 (4752) 72-66-72; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 54-63

In the present paper the researches consider the behavior of the class of operators defined by exponential summing methods of Fourier series. The authors examine exponential means of certain Fourier series. The convergence in Lebesgue points is investigated. The operators determined by the convergence are known as the means of Poisson - Abel and they play the substantial role in different questions of the analysis. Though even the most simple and natural extension is not fully investigated. Conclusions of the considered theorem follow from the results for general infinite convex or piecewise convex summing sequences; the given results are also of individual interest. The analogue of the theorem is specified for exponential means of conjugate Fourier series. The examples of exponential means are given, which satisfy the hypotheses of the considered theorems and are also of individual interest. The obtained results are valid, in particular, for the generalized Poisson means. The authors also give an example of a polynomial-exponential method of summation.

DOI: 10.22227/1997-0935.2014.10.54-63

References
  1. Zigmund A. Trigonometricheskie ryady [Trigonometric Series]. Vol. 1, Moscow, Mir Publ., 1965, 615 p. (in Russian)
  2. Nakhman A.D. Weighted Norm Inequalities for the Convolution Operators. Transactions TSTU. 2009, vol. 15, no. 3, pp. 653—660.
  3. Nikol'skiy S.M. O lineynykh metodakh summirovaniya ryadov Fur'e [On Linear Methods of Summation of Fourier Series]. Izvestiya AN SSSR. Seriya matematicheskaya [News of the Academy of Sciences of the USSR. Mathematical Series]. 1948, no. 12, pp. 259—278. (in Russian)
  4. Nagy V.Sz. Methodes de sommation des series de Fourier. I. Acta Sci. Math. Szeged. 1950, no. 12, pp. 204—210.
  5. Efimov A.V. O lineynykh metodakh summirovaniya ryadov Fur'e [On Linear Methods of summation of Fourier Series]. Izvestiya AN SSSR. Seriya matematicheskaya [News of the Academy of Sciences of the USSR. Mathematical Series]. 1960, no. 24, pp. 743—756. (in Russian)
  6. Telyakovskiy S.A. Usloviya integriruemosti trigonometricheskikh ryadov i prilozhenie k izucheniyu lineynykh metodov summirovaniya ryadov Fur'e [Conditions for the Integrability of Trigonometric Series and their Application to the Study of Linear Summation Methods of Fourier Series]. Izvestiya AN SSSR. Seriya matematicheskaya [News of the Academy of Sciences of the USSR. Mathematical Series]. 1964, no. 6, pp. 1209—1236. (in Russian)
  7. Bausov L.I. O lineynykh metodakh summirovaniya ryadov Fur'e [On Linear Methods of Summation of Fourier Series]. Matematicheskiy sbornik [Mathematical Collection]. 1965, no. 3, pp. 313—327. (in Russian)
  8. Trigub R.M. Lineynye metody summirovaniya i absolyutnaya skhodimost' ryadov Fur'e [Linear Summation Methods and Absolute Convergence of Fourier Series]. Izvestiya AN SSSR. Seriya matematicheskaya [News of the Academy of Sciences of the USSR. Mathematical Series]. 1968, vol. 32, no. 1, pp. 24—29. (in Russian)
  9. Dyn'kin E.M., Osilenker B.P. Vesovye otsenki singulyarnykh integralov i ikh prilozheniya [Weighted Estimates for Singular Integrals and their Applications]. Itogi nauki i tekhniki : Seriya Matematicheskiy Analiz [Totals of Science and Technology. Series: Mathematical Analisys]. Moscow, VINITI Publ., 1983, vol. 21, pp. 42—129. (in Russian)
  10. Kuk P. Beskonechnye matritsy i prostranstva posledovatel'nostey [Infinite Matrices and Sequence Spaces]. Moscow, GIFML Publ., 1960, 471 p. (in Russian)
  11. Bari N.K. Trigonometricheskie ryady [Trigonometric Series]. Moscow, Fizmatlit Publ., 1961, 936 p.
  12. Nakhman A.D., Osilenker B.P. Exponential Methods of Summation of the Fourier Series. Transactions TSTU. 2014, vol. 20, no. 1, pp. 101—109.

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The features of behaviour of a thin-walled cold-formed C-purlin

  • Tusnina Ol’ga Aleksandrovna - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Metal Structures, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 64-74

Nowadays thin-walled cold-formed profiles are widely used as bearing structures of buildings. The features of these profiles are little thickness and complicated cross-section shape. These features influence the behaviour of the structures made of cold-formed profiles. It is an often situation that we can not apply load directly on the element in the shear center due to its complicated shape and boundary conditions, such as support fixation. Thus, the purlin experiences a combined action of bending and restraint torsion. Besides, the distortion of purlin occurs and in this case the Vlasov’s theory of thin-walled elastic beams is not applicable. In this paper the analysis of cold-formed C-purlin is considered. The results of physically and geometrically nonlinear analysis are represented. The components of the stress state of purlin are determined. An estimation of the influence of cross-section distortion on the angles of rotation about longitudinal axis of purlin is done. The buckling analysis according to Russian standards SNiP was done.

DOI: 10.22227/1997-0935.2014.10.64-74

References
  1. Mezentseva E.A., Lushnikov S.D. Bystrovozvodimye zdaniya iz legkikh stalnykh konstruktsiy [Prefabricated Buildings of Light Steel Structures]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2009, Special issue, no. 1, pp. 62—64. (in Russian)
  2. Vatin N.I., Sinel’nikov A.S. Bolsheproletnye nadzemnye peshekhodnye perekhody iz legkogo kholodnognutogo stal’nogo profilya [Long Span Footway Bridges: Cold-Formed Steel Cross-Section]. Stroitel’stvo unikal’nykh zdaniy i sooruzheniy [Construction of Unique Buildings and Structures]. 2012, no. 1, pp. 47—53. (in Russian)
  3. Ayrumyan E.L. Osobennosti rascheta stal’nykh konstruktsiy iz tonkostennykh gnutykh profiley [The Features of the Analysis of Thin-Walled Cold-Formed Steel Structures]. Montazhnye i spetsial’nye raboty v stroitel’ste [Erecting and Special Works in Construction]. 2008, no. 3, pp. 2—7. (in Russian)
  4. Ayrumyan E.L., Belyy G.I. Issledovanie raboty stal’noy fermy iz kholodnognutykh profiley s uchetom ikh mestnoy i obshchey ustoychivosti [A Study of Steel Cold-Formed Profiles of Trusses with Regard to Their Local and General Stability]. Promyshlennoe i grazhdanskoe stroitel’stvo [Industrial and Civil Engineering]. 2010, no. 5, pp. 41—44. (in Russian)
  5. Yu C., Schafer B.W. Distortional Buckling Tests on Cold-Formed Steel Beams. Journal of Structural Engineering. 2006, vol. 132, no. 4, pp. 515—528.
  6. Tusnin A.R., Tusnina O.A. Vychislitel’naya sistema «STAL’KON» dlya rascheta i proektirovaniya sterzhnevykh konstruktsiy iz tonkostennykh sterzhney otkrytogo profilya [Computing System "STALKON" for Analysis and Design of Lattice Structures of Thin-walled Rods of Open Profile]. Promyshlennoe i grazhdanskoe stroitel’stvo [Industrial and Civil Engineering]. 2012, no. 8, pp. 62—65. (in Russian)
  7. Vatin N.I., Rybakov V.A. Raschet metallokonstruktsiy — sed’maya stepen’ svobody [An Analysis of Metal Structures — the Seventh Degree of Freedom]. StroyPROFIl" [Construction Profile]. 2007, no. 2 (56), pp. 60—63. (in Russian)
  8. Heinisuo M., Liukkonen V.-P., Tuomala M. New Beam Element Including Distortion. Nordic Steel Construction Conference 95, Malmö, Sweden, June 19—21. Swedish Institute of Steel Construction, 1995, Publication 150, vol. I, pp. 65—72.
  9. Gordeeva A.O., Vatin N.I. Raschetnaya konechno-elementnaya model’ kholodnognutogo perforirovannogo tonkostennogo sterzhnya v programmno-vychislitel’nom kom-plekse SCAD Office [Finite Element Calculation Model of Thin-Walled Cold-Formed Profile in Software Package SCAD Office]. Inzhenerno-stroitel’nyy zhurnal [Engineering and Construction Journal]. 2011, no. 3 (21), pp. 36—46. (in Russian)
  10. Lalin V.V., Rybakov V.A., Morozov S.A. Issledovanie konechnykh elementov dlya rascheta tonkostennykh sterzhnevykh sistem [The Finite Element Research for Calculation of Thin-Walled Bar Systems]. Inzhenerno-stroitel’nyy zhurnal [Engineering and Construction Journal]. 2012, no. 1 (27), pp. 53—73. (in Russian)
  11. Lalin V.V., Rybakov V.A. Konechnye elementy dlya rascheta ograzhdayushchikh konstruktsiy iz tonkostennykh profiley [Creating the Finite Elements of Thin-Walled Beams for Design of Light Steel Constructions]. Inzhenerno-stroitel’nyy zhurnal [Engineering and Construction Journal]. 2011, no. 8 (26), pp. 69—80. (in Russian)
  12. Selyantsev I., Tusnin A. The Influence of Cross-Section Shape Changing on Work of Thin-Walled Cold-Formed Steel Beam. Proceedings of the METNET Seminar 2011 in Aarhus. HAMK University of Applied Science, Einland, 2011, pp. 143—148.
  13. Yu C., Schafer B.W. Distortional Buckling of Cold-Formed Steel Members in Bending. Final report. AISI. Baltimore, January 2005, 386 p.
  14. Chu X.T., Ye Z.M., Li L.Y., Kettle R. Local and Distortional Buckling of Cold-Formed Zed-Sections Beams under Uniformly Distributed Transverse Loads. International Journal of Mechanical Sciences. 2006, vol. 48, pp. 378—388. DOI: http://dx.doi.org/10.1016/j.ijmecsci.2005.11.005.
  15. Chu X.T., Ye Z.M., Li L.Y., Kettle R. Buckling Behaviour of Cold-Formed Channel Sections under Uniformly Distributed Loads. Thin-Walled Structures. 2005, vol. 43, no. 4, pp. 531—542.
  16. Pavazza R., Blagojevic B. On the Cross-Section Distortion of Thin-Walled Beams with Multi-Cell Cross-Sections Subjected to Bending. International Journal of Solids and Structures. 2005, vol. 42, no. 3—4, pp. 901—925. DOI: http://dx.doi.org/10.1016/j.ijsolstr.2004.06.036.
  17. Silvestre N., Camotim D. Distortional Buckling Formulae for Cold-Formed Steel C- and Z-Section Members: Part I — Derivation. Thin-Walled Structures. 2004, vol. 42, no. 11, pp. 1567—1597.
  18. Silvestre N., Camotim D. Distortional Buckling Formulae for Cold-Formed Steel C- and Z-Section Members: Part II — Validation and Application. Thin-walled Structures. 2004, vol. 42, no. 11, pp. 1599—1629.
  19. Silvestre N., Camotim D. On the Mechanics of Distortion in Thin-Walled Open Sections. Thin-walled Structures. 2010, vol. 48, no. 7, pp. 469—481. DOI: http://dx.doi.org/10.1016/j.tws.2010.02.001.
  20. Vieira L.C.M., Malite M., Schafer B.W. Simplified Models for Cross-Section Stress Demands on C-Section Purlins in Uplift. Thin-walled Structures. 2010, vol. 48, no. 1, pp. 33—41. DOI: http://dx.doi.org/10.1016/j.tws.2009.07.009.
  21. Wang X.P., Lam S.S.E., Chung K.F. Cross-section Distortion due to Cutting of Cold-Formed Steel Lipped C-Section. Thin-walled Structures. 2006, vol. 44, no. 3, pp. 271—280. DOI: http://dx.doi.org/10.1016/j.tws.2006.03.007
  22. Vlasov V.Z. Tonkostennye uprugie sterzhni [Thin-walled Elastic Beams]. Moscow, Fizmatgiz Publ., 1959, 574 p. (in Russian)

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BEDDINGS AND FOUNDATIONS, SUBTERRANEAN STRUCTURES. SOIL MECHANICS

Interaction between anchors and surrounding soil with account for creep and structural shear strength

  • Ter-Martirosyan Zaven Grigor’evich - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Technical Science, Professor of the Department of Soil Mechanics and Geotechnics, Main Researcher at the Research and Education Center “Geotechnics”, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Avanesov Vadim Sergeevich - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Soil Mechanics and Geotechnics, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (495) 287-49-14 (ext. 14-25); This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 75-86

Interaction between grouted prestressed anchor and surrounding soil body with account for creep and structural shear strength is investigated in this paper. The behavior of the system is described by the modified rheological Bingham-Shvedov equation. It is shown that fixation of initial tension or its periodical variation causes problem of anchor creep and stability, and fixation of initial displacement causes initial stress relaxation of the system “surrounding soil body - anchor - tendon”. The relaxation time significantly depends on elastic-viscoplastic properties of surrounding soil, diameter and length of anchor and tendon, and its elasticity. Account for viscoplastic properties of soil with the structural shear strength leads to residual stresses in the system. The solutions of these problems can be used for quantitative estimation for stress-strain state of the system. This estimation makes it possible to calculate long-term deformation and bearing capacity of anchors, stress relaxation and residual stresses. The problem of interaction between anchor and the surrounding soil is solved in this paper. It is shown that displacement of anchor and stresses in the soil depends on different parameters, such as soil properties, geometrical properties of the anchor, selection of design model and account for ultimate stiffness of the anchor. Also this solution is basic for problems of creep and stress relaxation in the system. The process of formation of the stress-strain state around the anchor could demonstrate decaying, constant or progressive velocity highly depending on rheological processes in the soil body that may at the same time be accompanied by hardening and softening processes.

DOI: 10.22227/1997-0935.2014.10.75-86

References
  1. Levachev S.N., Haletskiy V.S. Ankernye i yakornye ustroystva v gidrotekhnicheskom stroitel’stve [Tie and Anchor Devices in Hydraulic Engineering]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2011, no. 5, pp. 58—68. (in Russian)
  2. Sabatini P.J., Pass D.G., Bachus R.C. Ground Anchors and Anchored Systems. Geotechnical Engineering Circular. 1999, no. 4, 281 p.
  3. Barley A.D., Windsor C.R. Recent Advances in Ground Anchor and Ground Reinforcement Technology with Reference to the Development of the Art. GeoEng. 2000, vol. 1: Invited papers, pp. 1048—1095.
  4. Copstead R.L., Studier D.D. An Earth Anchor System: Installation and Design Guide. United States Department of Agriculture. 1990, 35 p.
  5. Chim-oye W., Marumdee N. Estimation of Uplift Pile Capacity in the Sand Layers. International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies. 2013, vol. 4, no. 1, pp. 57—65.
  6. Yimsiri S., Soga K., Yoshizaki K., Dasari G.R., O’Rourke T.D. Lateral and Upward Soil-Pipeline Interactions in Sand for Deep Embedment Conditions. Journal of Geotechnical and Geoenvironmental Engineering. 2004, vol. 130, issue 8, pp. 830—842. DOI: http://dx.doi.org/10.1061/(ASCE)1090-0241(2004)130:8(830).
  7. Zhang B., Benmokrane B., Chennouf A., Mukhopadhyaya P., El-Safty P. Tensile Behavior of FRP Tendons for Prestressed Ground Anchors. Journal Of Composites For Construction. 2001, vol. 5, no. 2, pp. 85—93. DOI: http://dx.doi.org/10.1061/(ASCE)1090-0268(2001)5:2(85).
  8. Hoyt R.M., Clemence S.P. Uplift Capacity of Helical Anchors in Soil. 12th International Conference on Soil Mechanics and Foundation Engineering. 1989, 12 p.
  9. Hanna A., Sabry M. Trends in Pullout Behavior of Batter Piles in Sand. Proceeding of the 82 Annual Meeting of the Transportation Research Board. 2003, 13 p.
  10. Thorne C.P., Wang C.X., Carter J.P. Uplift Capacity of Rapidly Loaded Strip Anchors in Uniform Strength Clay. Geotechnique. 2004, vol. 54, no. 8, pp. 507—517.
  11. Young J. Uplift Capacity and Displacement of Helical Anchors in Cohesive Soil. A Thesis Submitted to Oregon State University, 2012. Available at: http://hdl.handle.net/1957/29487. Date of access: 25.06.2014.
  12. Briaud J.L., Powers W.F., Weatherby D.E. Dolzhny li in”ektsionnye gruntovye ankery imet’ nebol’shuyu dlinu zadelki i tyagi? [Should Grouted Anchors Have Short Tendon Bond and Rod Length?]. Geotekhnika [Geotechnics]. 2012, no. 5, pp. 34—55. (in Russian)
  13. Ter-Martirosyan Z.G., Ter-Martirosyan A.Z. Reologicheskie svoystva gruntov pri sdvige [Rheological Properties of Soils while Shearing]. OFMG [Bases, Foundations and Soil Mechanics]. 2012, no. 6, pp. 9—13. (in Russian)
  14. Ter-Martirosyan Z.G., Nguyen Giang Nam. Vzaimodeystvie svay bol’shoy dliny s neodnorodnym massivom s uchetom nelineynykh i reologicheskikh svoystv gruntov [Interaction between Long Piles and a Heterogeneous Massif with Account for Non-linear and Rheological Properties of Soils]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2008, no. 2, pp. 3—14. (in Russian)
  15. Ter-Martirosyan Z.G. Mekhanika gruntov [Soil Mechanics]. Moscow, ASV Publ., 2009, 550 p. (in Russian)

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ENGINEERING RESEARCH AND EXAMINATION OF BUILDINGS. SPECIAL-PURPOSE CONSTRUCTION

Defects of multi-layer brick masonry exterior walls

  • Malakhova Anna Nikolaevna - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Associate Professor, Department of Architectural and Construction Design of Reinforced Concrete and Masonry Structures, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (495) 583-47-53; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 87-94

The article discusses possible defects of exterior walls of buildings that can occur in a multilayer brick masonry. The article is based on the inspection materials of the school building located in Bronnitsy, Moscow Region. The reasons of brick masonry defects are considered and analyzed. An external wall strength calculation of the stairwell of the building is given, confirming the reasons for the formation of defects in the masonry. The static calculation results of the exterior wall of the building stairwell revealed the presence of tensile forces in the zone of window sill of the lower window opening of the exterior wall of the building. The calculations of masonry tensile showed that load bearing capacity of the masonry in window sill zone is not provided. Thus, the calculation is justified for cracks in the window sill area of the calculated wall. The appearance of hairline cracks on the outer face of a decorative protective layer multi-layer masonry is due to the thermal deformations, the manifestation of which is enhanced by the presence of the layer of effective insulation located behind the layer of masonry and embarrassing action of rigid ties on the development of thermal deformations.

DOI: 10.22227/1997-0935.2014.10.87-94

References
  1. Glikin S.M. Sovremennye ograzhdayushchie konstruktsii i energoeffektivnost' zdaniy [Modern Enclosing Structures and Energy Efficiency Iin Buildings]. Moscow, OAO «TsNIIPromzdaniy» Publ., 2003, pp. 58—59. (in Russian)
  2. Vivanocos J.-L. Soto J., Perez I., Ros-Lis J.V., Martínez-Máñez R. A New Model Based on Experimental Results for the Thermal Characterization of Bricks. Building and Environment. 2009, vol. 44, no. 5, pp. 1047—1052. DOI: http://dx.doi.org/10.1016/j.buildenv.2008.07.016.
  3. Ciampi M., Fantozzi F., Leccese F., Tuoni G. On the Optimization of Building Envelope Thermal Performance. Civil Engineering and Environmental Systems. 2003, vol. 20, no. 4, pp. 231—254. DOI: http://dx.doi.org/10.1080/1028660031000140224.
  4. Zedan M.F., Mujahid A.M. An Efficient Solution for Heat Transfer in Composite Walls with Periodic Ambient Temperature and Solar Radiation. International Journal of Applied Energy. 1993, vol. 14, no. 2, pp. 83—98.
  5. Garevski M. Fixed and Base Isolation Retrofitting of Historic Masonry Buildings. Int. J. of Materials and Structural Integrity. 2011, vol. 5, no. 2/3, pp. 118—135. DOI: http://dx.doi.org/10.1504/IJMSI.2011.041930.
  6. Malakhova A.N. Konstruktivnye resheniya naruzhnykh sten kirpichnykh zdaniy [Constructive Solutions of the Exterior Walls of Brick Buildings]. Stroitel'nye materialy, oborudovanie, tekhnologii XXI veka [Construction Materials, Equipment, Technologies of the 21st Century. 2009, no. 1, pp. 22—23. (in Russian)
  7. Krasil'nikov P.A. et al, editors. Kamennye steny [Masonry Walls]. Konstruktivnye detali zhilykh i grazhdanskikh zdaniy [Structural Members of Residential and Civil Buildings]. Moscow, Gosudarstvennoe arkhitekturnoe izdatel'stvo Publ., 1949, pp. 14—15. (in Russian)
  8. Posobie po proektirovaniyu kamennykh i armokamennykh konstruktsiy (k SNiP II-22-81 «Kamennye i armokamennye konstruktsii. Normy proektirovaniya») [Manual of Engineering Masonry and Reinforced Masonry Structures (to SNIP II-22-81) “Masonry and Reinforced Masonry Structures. Design Standards]. V.A. Kucherenko CSRIBS, State Committee for Construction of the USSR, Moscow, VDPP Gosstroya SSSR Publ., 1989, pp. 55—56. (in Russian)
  9. MTSK — 6.2. Effektivnaya kirpichnaya kladka / Chast' VI. Tekhnicheskie resheniya, normali [An Effective B rick Masonry. Part 4. Technical Solutions. Standards]. Moskovskiy territorial'nyy stroitel'nyy katalog [Moscow Territorial Construction Catalogue]. Moscow, 1999, pp. 45. (in Russian)
  10. Umnyakova N.P. Dolgovechnost’ trekhsloynykh sten s oblitsovkoy iz kirpicha s vysokim urovnem teplovoy zashchity [Durability of Three-layered Walls with Brick Facing that Provides High Thermal Protection]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 1, pp. 94—100. (in Russian)
  11. El'chishcheva T.E., El'chishcheva M.M. Vliyanie rezhima zamorozkov na dolgovechnost' naruzhnykh ograzhdayushchikh konstruktsiy v Tsentral'no-Chernozemnom regione [The Influence of Frost on the Durability of External Walls in Central Black Earth Region]. Zhilishchnoe stroitel'stvo [Housing construction]. 2012, no. 6, pp. 32—34. (in Russian)
  12. Calderoni B., Cordasco E.A., Lenza P., Gaetana P. A Simplified Theoretical Model for the Evaluation of Structural Behaviour of Masonry Spandrels. J. of Materials and Structural Integrity. 2011, vol. 5, no. 2/3, pp. 192—214. DOI: http://dx.doi.org/10.1504/IJMSI.2011.041934.
  13. Stupishin L.Yu., Masalov A.V. Metody i problemy teplotekhnicheskikh ispytaniy mnogosloynykh kladok [Methods and Problems of Thermal Testings of Multilayer Masonry]. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering]. 2014, no. 2, pp. 41—43. (in Russian)
  14. Bashir M. Suleiman. Thermal Load Calculations of Multilayered Walls. World Academy of Science. Engineering and Technology. 2012, vol. 6, no. 4, pp. 627—631.
  15. Yumrutas R, Unsa M., Kanog M. Periodic Solution of Transient Heat Flow Throw through Multilayer Walls and Flat Roofs by Complex Finite Fourier Transform Technique. Building and Environment. 2005, vol. 40, no. 3, pp. 1117—1126.
  16. Glikin S.M. Naruzhnye steny i steny podvalov s teploizolyatsiey iz penostekla marki «Neoparm» [Exterior Walls and Basement Walls Insulated with Foam Glass Mark "Neoparm"]. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering]. 2014, no. 7, pp. 35—38. (in Russian)
  17. Livshits D.V., Ponomarev O.I., Lomova L.M. Povyshenie dolgovechnosti i sovershenstvovanie konstruktsiy naruzhnykh kirpichnykh i kamennykh sten energoeffektivnykh zdaniy [Increasing Durability and Improving the Structures of Outer Brick and Stone Walls of Energy Efficient Buildings]. Seysmicheskoe stroitel'stvo. Bezopasnost' sooruzheniy [Seismic Construction. Safety of Buildings]. 2008, no. 6, pp. 42—44. (in Russian)
  18. Malakhova A.N., Balakshin A.S. Defekty naruzhnykh kirpichnykh sten zdaniy, dostraivaemykh posle dlitel'nogo pereryva [Defects of Brick Exterior Walls, Completed after a Long Break]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2011, no. 8, pp. 140—145. (in Russian)
  19. Krygina A.M., Mal'tsov P.V., Kartamyshev N.V., Il'inov A.G. O dolgovechnosti kamennoy kladki [On the Durability of Brickwork]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2011, no. 3, pp. 185—188. (in Russian)
  20. Rekomendatsii po opredeleniyu tekhnicheskogo sostoyaniya ograzhdayushchikh konstruktsiy pri rekonstruktsii promyshlennykh zdaniy [Recommendations on the Technical Condition of Enclosing Constructions during Reconstruction of Industrial Buildings]. Moscow, Stroyizdat Publ., 1988, pp. 33—83. (in Russian)
  21. Rekomendatsii po usileniyu kamennykh konstruktsiy zdaniy i sooruzheniy [Recommendations for Strengthening of Masonry Structures and Buildings]. Moscow, TsNIISK im. V.A. Kucherenko Publ., 1984, pp. 7—8. (in Russian)
  22. Gorodetskiy A.S., Evzerov I.D. Komp'yuternye modeli konstruktsi [Computer Models of Structures]. Moscow, ASV Publ., 2009, 360 p. (in Russian)

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RESEARCH OF BUILDING MATERIALS

Features of solid clay rocks of the Eastern Donbass as raw material for producing wall ceramics

  • Kotlyar Vladimir Dmitrievich - Rostov State University of Civil Engineering (RSUCE) Doctor of Technical Sciences, Associate Professor, Chair, Department of Construction Materials, Rostov State University of Civil Engineering (RSUCE), 162 Sotsialisticheskaya str., Rostov-on-Don, 344022, Russian Federation; +7 (863) 20-19-057; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Kozlov Aleksandr Vladimirovich - Rostov State University of Civil Engineering (RSUCE) Candidate of Technical Sciences, Associate Professor, Department of Construction Materials, Rostov State University of Civil Engineering (RSUCE), 162 Sotsialisticheskaya str., Rostov-on-Don, 344022, Russian Federation; +7 (863) 20-19-057; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Kotlyar Anton Vladimirovich - Rostov State University of Civil Engineering (RSUCE) postgraduate student, Department of Construction Materials, Rostov State University of Civil Engineering (RSUCE), 162 Sotsialisticheskaya str., Rostov-on-Don, 344022, Russian Federation; +7 (863) 20-19-057; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Terekhina Yuliya Viktorovna - Rostov State University of Civil Engineering (RSUCE) Assistant Lecturer, Department of Construction Materials, Rostov State University of Civil Engineering (RSUCE), 162 Sotsialisticheskaya str., Rostov-on-Don, 344022, Russian Federation; +7 (863) 20-19-057; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 95-105

In this article currently central tasks of successful industrial development of wall ceramics are viewed. The main problems connected with the use of classic argillous raw material for wall ceramics - clayey soils are pointed out. Generally these problems are connected with the fact that deposits of clayey soils are situated on arable areas, they have small areas of occurrence, their consistence and qualities are very changeable because of genesis. Taking this into consideration, it was shown that argillous raw material including claystone-like clays, argilliths, clay slates, aleurolites and in-between types of solids are of the utmost interest. Five kinds of deposits of this material are pointed out and characterized. These are traditional deposits of clay slates, which were proved as ceramsite raw materials; anthropogenic deposits of pit heap of the Eastern Donbass; cocurrent raw materials and ettle while developing limestone and sandstone deposits; ettles of screening of argillith and clay slates appearing while their preparing for expanded clay production after the dry manner; tails forming while coal cleaning and which are generally made of argillous raw material. The existing difficulties connected with the terminology of this range of raw materials are pointed out in this article, that is why characteristic of each type with regard to features of the mineral composition, structural features, technological properties are offered. It is noted that in regard to mineralogy distinct diagnostic features providing difference between solids of the range: claystone-like clay- argillith- clay slate can be hydrous micas and micas. The results of the works in this regard allowed offering a method of testing lithoidal raw material for producing wall ceramics materials. It is noted that in the technology road-map the key distinction between claystone-like clay, argillith and clay slates is that while comminuting claystone-like clays the strength of samples burning in the same conditions is initially relatively high and increases insignificantly, for argilliths the reduction range is a shaping factor for attainment of necessary strength, for clay slates the reduction range is also a shaping factor, however, strength characteristics of the samples are much lower. High perspective of this raw material usage for wide assortment of wall ceramics products and tile is proved.

DOI: 10.22227/1997-0935.2014.10.95-105

References
  1. Mestorozhdeniya i perspektivnye uchastki defitsitnykh vidov mineral'nogo syr'ya Rostovskoy oblasti [Deposits and Prospecting Sites of Difficult-to-obtain Kinds of Mineral Raw Material in the Rostov Region]. Minprirody Rostovskoy oblasti: ofitsial'nyy sayt [The official website of the Ministry of Natural Resources and Environment of the Rostov region]. Available at: http://www.doncomeco.ru/news/mestorozhdeniya-i-perspektivnye-uchastki-defitsitnykh-vidov-mineralnogo-syrya-rostovskoy-oblasti/?sphrase_id=3811. Date of access: 11.07.2014. (in Russian)
  2. Val'kov V.F., Kazeev K.Sh., Kolesnikov S.I. Pochvy yuga Rossii [Soil in Southern Russia]. Rostov-on-Don, Everest Publ., 2008, 276 p. (in Russian)
  3. Muñoz Velasco P., Morales Ortíz M.P., Mendívil Giró M.A., Muñoz Velasco L. Fired Clay Bricks Manufactured by Adding Wastes as Sustainable Construction Material — A review. Construction and Building Materials. 2014, vol. 63, pp. 97—107. DOI: http://dx.doi.org/10.1016/j.conbuildmat.2014.03.045.
  4. Lianyang Zhang. Production of Bricks from Waste Materials: A review. Construction and Building Materials. 2013, no. 47, pp. 643—655. DOI: http://dx.doi.org/10.1016/j.conbuildmat.2013.05.043.
  5. Stolboushkin A.Yu., Storozhenko G.I. Otkhody ugleobogashcheniya kak syr'evaya i energeticheskaya baza zavodov keramicheskikh stenovykh materialov [Waste Coal as a Raw Material and Energy Base for the Plants of Ceramic Wall Materials]. Stroitel'nye materialy [Construction Materials]. 2011, no. 4, pp. 43—46. (in Russian)
  6. Kotlyar V.D., Talpa B.V. Opoki — perspektivnoe syr'e dlya stenovoy keramiki [Moulding Boxes — a Promising Raw Material for Wall Ceramics]. Stroitel'nye materialy [Construction Materials]. 2007, no. 2, pp. 31—33. (in Russian)
  7. Storozhenko G.I., Stolboushkin A.U. Ceramic Bricks from Industrial Waste. Ceramic & Sakhteman. Seasonal magazine of Ceramic & Building. 2010, no. 2, pp. 2—6.
  8. Gipich L.V. Osobennosti veshchestvennogo sostava otval'nykh porod shakht Vostochnogo Donbassa i novye napravleniya ikh ispol'zovaniya : dissertatsiya kandidata geologo-mineralogicheskikh nauk [Material Composition of the Overburden of the Eastern Donbass Mines and New Directions for their Use. Diss. Candidate. geol.-min. Sciences]. Rostov-on-Don, RGU Publ., 1998, 162 p. (in Russian)
  9. Metodicheskie rekomendatsii po primeneniyu Klassifikatsii zapasov mestorozhdeniy i prognoznykh resursov tverdykh poleznykh iskopaemykh. Glinistye porody [Guidelines on the Application of the Classification of Stocks Fields and Forecast of Solid Mineral Resources Fossil. Silicic Rocks]. Moscow, 2007, Federal State Institution "State Commission on Mineral Reserves" (FSI SRC), Ministry of Natural Resources of the Russian Federation, 38 p. (in Russian)
  10. Khmelevtsov A.A. Usloviya formirovaniya i spetsificheskie svoystva argillitopodobnykh glin rayona g. Bol'shoy Sochi [Conditions of Formation and Specific Properties of Claystone-like CLays of Bolshoy Sochi Region]. Inzhenernyy vestnik Dona [Engineering Proceedings of Don]. 2010, no. 3. Available at: http://www.ivdon.ru/magazine/archive/n3y2010/231. Date of access: 11.07.2014. (in Russian)
  11. Baykov A.A., Talpa B.V. Reliktovye gliny v nizhne-sredneyurskikh argillitakh Severo-Zapadnogo Kavkaza [Relic Clays in the Lower-Middle Mudstones of the Northwest Caucasus]. Aktual'nye problemy regional'noy geologii, litologii i mineragenii [Current Problems of Regional Geology, Lithology and Minerageny]. Rostov-on-Don, TsVVR Publ., 2005, pp. 5—14. (in Russian)
  12. Osipov V.I., Sokolov V.N., Rumyantseva N.A. Mikrostruktura glinistykh porod [The Microstructure of Clay Soils]. Moscow, Nedra Publ., 1989, 211 p. (in Russian)
  13. Osipov V.I., Sokolov V.N. Gliny i ikh svoystva. Sostav, stroenie i formirovanie svoystv [Clays and their Properties. The Composition, Structure and Formation of their Properties]. Moscow, GEOS Publ., 2013, 576 p. (in Russian)
  14. Kotlyar V.D., Terekhina Yu.V., Kotlyar A.V. Metodika ispytaniy kamnevidnogo syr'ya dlya proizvodstva stenovykh izdeliy kompressionnogo formovaniya (v poryadke obsuzdeniya) [Test Procedure of Lithoid Raw Materials for the Production of Wall Products of Compression Molding (pilot scheme)]. Stroitel'nye materialy [Construction Materials]. 2014, no. 4, pp. 24—27. (in Russian)
  15. Kotlyar V.D., Terekhina Yu.V. K voprosu ob ispytaniyakh kamnevidnogo syr'ya pri proizvodstve izdeliy stenovoy keramiki [On the Test of Lithoid Feedstock in the Manufacture of Wall Ceramics Products]. Stroitel'stovo — 2013 : Materialy Mezhdunarodnoy nauchno-prakticheskoy konferentsii [Construction — 2013 : Materials of the International Schience and Practice Conference]. Rostov-on-Don, RGSU Publ., pp. 9—11. (in Russian)
  16. Gorshkov V.S., Savel'ev V.G., Fedorov N.F. Fizicheskaya khimiya silikatov i drugikh tugoplavkikh soedineniy [Physical Chemistry of Silicates and Other Refractory Compounds]. Moscow, Vysshaya shkola Publ., 1988, 400 p. (in Russian)

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SAFETY OF BUILDING SYSTEMS. ECOLOGICAL PROBLEMS OF CONSTRUCTION PROJECTS. GEOECOLOGY

Induced activity of a concrete radiation shielding of cyclotron canyons on the stage of decommissioning

  • Aliev Taib Yunusovich - design and construction company GC RANSTROY design engineer, design and construction company GC RANSTROY, 21-1 Akademika Pontryagina str., Moscow, 117041, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Engovatov Igor' Anatol'evich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Professor, Department of Construction of Thermal and Nuclear Power Plants, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-26-74; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Lavdanskiy Pavel Aleksandrovich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Professor, Department of Construction of Thermal and Nuclear Power Plants, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Solov'ev Vitaliy Nikolaevich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Professor, Department of Construction of Thermal and Nuclear Power Plants, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 106-113

One the new stage on nuclear medicine development there is a need to solve a number of tasks. The choice of radiation shield materials is an important task, because they to a large extend determine radiation safety in the process of operation and volumes of radioactive emissions in case of decommissioning. The stage of decommissioning is final in operation life of such installations. In the article the authors present an estimation of the producer of cyclotrons PETtrace 880 on radionuclides, which arise in the composition of concrete biological shield of cyclotron after decommissioning in Pet-centre of Russian Oncologic Scientific Center named after N.N. Blokhin. It was shown, that the data of the producer can lead to underestimating the volumes of radioactive waste. The tasks for further investigation on the problem are outlined. The authors defined the role of induced activity estimation on the stage of design and decommissioning of the cyclotrons for radiological safety. For designed objects the elemental composition of protecting constructions should be included in design documents. The choice of the composition should take in account the activation capacity of doping and tracing elements. The adequate estimation of induced activity should result in optimization of design and construction solutions. Such an approach will allow realizing the future stage of decomposition in more efficient and safe way by reducing radioactive waste and dose costs for staff and population.

DOI: 10.22227/1997-0935.2014.10.106-113

References
  1. Kuz'mina N.B. Chto takoe yadernaya meditsina [What is Nuclear Medicine]. Moscow, NIYaU MIFI Publ., 2012, 32 p. (in Russian)
  2. Kostylev V.A. Gor'kaya pravda o «modernizatsii» nashey atomnoy meditsiny [Bitter Truth on “Modernization” of our Noclear Medcine]. Meditsinskaya fizika [Medical Physics]. 2010, no. 4 (48), pp. 82—93. (in Russian)
  3. Wernick M.N., Aarsvold J.N., editors. Emission Tomography: The Fundamentals of PET and SPECT. 2004, Academic Press, 596 p.
  4. Telichenko V.I., Dorogan' I.A. Obespechenie kompleksnoy bezopasnosti ob"ektov meditsinskogo naznacheniya s istochnikami ioniziruyushchego [Ensuring Integrated Security for the Objects of Medical Purpose with Ionizing Sources]. Vestnik MGSU [Proceedings of Moscow State University of Structural Engineering]. 2014, no. 8, pp. 136—152. (in Russian)
  5. Bittner A., Jungwirth D., Bernard M., Gerland L., Brambilla G., Fitzpatrick J. Concepts Aimed at Minimizing the Activation and Contamination of Concrete. Decommissioning of Nuclear Power Plants. Proceedings of a European Conference held in Luxembourg, 22—24 May 1984. Springer Netherlands, 1984, pp. 371—388. DOI: http://dx.doi.org/10.1007/978-94-009-5628-5_32.
  6. Wang Feng, Cui Tao, Zhang Tianjue, Jia Xianlu, Zhang Xingzhi, Li Zhenguo. Radiation Shielding Design for Medical Cyclotron. Proceedings of IPAC2013, Shanghai, China. JACoW — Creative Commons Attribution, 2013, pp. 3339—3341.
  7. Kimura K., Ishikawa T., Kinno M., Yamadera A., Nakamura T. Residual Long-Lived Radioactivity Distribution in the Inner Concrete Wall of a Cyclotron Vault. Health Physics. 1994, vol. 67, no. 6, pp. 621—631.
  8. Shiomi T., Azeyanagi Y., Yamadera A., Nakamura T. Measurement of Residual Radioactivity of Machine Elements and Concrete on the Cyclotron Decommissioning. Journal of Nuclear Science and Technology. 2000, vol. 37, no. 1, pp. 357—361. DOI: http://dx.doi.org/10.1080/00223131.2000.10874906.
  9. SanPiN 2.6.1.2891—11. Trebovaniya radiatsionnoy bezopasnosti pri proizvodstve, ekspluatatsii i vyvode iz ekspluatatsii (utilizatsii) meditsinskoy tekhniki, soderzhashchey istochniki ioniziruyushchego izlucheniya [Sanitary Regulations and Standards SanPiN 2.6.1.2891—11. Requirements for Radiation Safety in the Process of Production, Operation and Decommissioning (Utilization) of Medical Technology Containing Sources of Ionizing Radiation]. Available at: http://ohranatruda.ru/ot_biblio/ot/2011/zak1196.pdf. Date of access: 28.09.2014. (in Russian)
  10. NP-038—11. Obshchie polozheniya obespecheniya bezopasnosti radiatsionnykh istochnikov [Norms and Requirements NP-038—11. General Requirements on Ensuring Safety of Radiation Sources]. Federal'nye normy i pravila v oblasti ispol'zovaniya atomnoy energii [Federal Norms and Requirements in the Field of Nuclear Energy Use]. Available at: http://files.stroyinf.ru/Data2/1/4293806/4293806203.files/0.gif. Date of access: 28.09.2014. (in Russian)
  11. Ob obrashchenii s radioaktivnymi otkhodami i o vnesenii izmeneniy v otdel'nye zakonodatel'nye akty Rossiyskoy Federatsii (s izmeneniyami i dopolneniyami). Federal'nyy Zakon Rossiyskoy Federatsii ot 11 iyulya 2011 g. № 190-FZ [On Dealing with Radiation Waste and on Changes in Separate Legislative Acts of the Russian Federation (with Amendments and Additions). Law of the Russian Federation from July 11, 2011 № 190-FZ]. Available at: http://base.garant.ru/12187848. Date of access: 28.09.2014. (in Russian)
  12. PETtrace — Unshielded Machine: Summary of Source Terms, Radiation Fields and Radwaste Production. Electronic Signature Information. GE Healthcare, 11/23/2005.Doc0100224, Rev:1, 1st ed., 21 p.
  13. Lavdanskiy P.A., Nazarov V.M., Stefanov N.I., Frontas'eva M.V. Navedennaya aktivnost' betona, primenyaemogo dlya zashchity yadernykh ustanovok [Induced Activity of Concrete Used for Shielding of Nuclear Facilities]. Atomnaya energiya [Nuclear Energy]. 1988, vol. 64, no. 6, pp. 419—422. (in Russian)
  14. Engovatov I.A., Mashkovich V.P., Orlov Yu.V. Pologikh B.G., Khlopkin N.S., Tsypin S.G. Radiatsionnaya bezopasnost' pri vyvode iz ekspluatatsii reaktornykh ustanovok grazhdanskogo i voennogo naznacheniya [Radiation Safety in the Process of Decommissioning of Reactor Facilities of Civil and Military Designation]. Moscow, Paims Publ., 1999, 300 p. (in Russian)
  15. Bylkin B.K., Engovatov I.A. Vyvod iz ekspluatatsii reaktornykh ustanovok [Decommissioning of Reactor Facilities]. Moscow, MGSU Publ., 2014, 228 p. (in Russian)

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Studying the filtration mode of large dams’ foundations on mathematical models

  • Aniskin Nikolay Alekseevich - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Engineering, Professor, Director of Institute of Hydrotechnical and Energy Construction, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoye shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Antonov Anton Sergeevich - Moscow State University of Civil Engineering (MGSU) postgraduate Student, Department of Hydraulic Engineering Structures, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Mgalobelov Yuriy Borisovich - JSC “Institute Hydroproject” Doctor of Technical Sciences, Academician, Academy of Water Sciences, Professor, Head, Department of Calculating Substantiation, JSC “Institute Hydroproject”, 2 Volokolamskoe shosse, Moscow, 125993, Russian Federation; +7 (495) 940-54-57; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Deyneko Andrey Viktorovich - JSC “Institute Hydroproject” Candidate of Technical Sciences, Assosiate Professor, Deputy Head, Department of Calculating Substantiation, JSC “Institute Hydroproject”, 2 Volokolamskoe shosse, Moscow, 125993, Russian Federation; +7 (495) 926-38-22; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 114-131

The essential issue of engineering safety of high dams is substantiation of the seepage conditions of the dam - foundation system. In most cases, a violation of the filtration mode leads to disruption of the hydraulic structure. The authors analyzed the methods of mathematical simulation of a filtration mode for large dams’ foundations basing on finite element method. Up-to-date computational capability permits solving seepage problems in 3D transient formulation. The possible reasons for filtration mode disturbance in foundations of large dams are observed, as well as the corresponding methods of analytical forecasting for the parameters of inappropriate development of filtration processes. Application of the universal industrial-strength software complexes makes it possible to combine on a single software platform the seepage modeling with other methods of design-basis validation of hydraulic structures, such as computations of stress-strain state, strength and stability of the dam - foundation system. The analysis results should be further used in the calculation of the stress strain state of the structures.

DOI: 10.22227/1997-0935.2014.10.114-131

References
  1. Losleben T.R. Pilot Study of Horizontal Roughing Filtration in Northern Ghana as Pretreatment for Highly Turbid Dugout Water. Master of Engineering thesis. USA Massachussets Institute of Technology, 2008, 149 p.
  2. Rasskazov L.N., Aniskin N.A., Sainov M.P. Analiz sostoyaniya gruntovoy plotiny Kolymskoy GES [State Analysis of Soil Kolyma Hydroelectric Power Station Dam]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2009, special issue no. 2, pp. 111—118.
  3. Loginov V.A., Shabanov V.A. Issledovanie fil'tratsionnykh techeniy v verkhovom kline gruntovoy plotiny [The Study of Filtration Flows in the Upper Wedge of Soil Dam]. Gidrotekhnicheskoe stroitel'stvo [Hydraulic Engineering]. 2011, no. 7, pp. 52—55.
  4. Anakhaev K.N., Shogenova Zh.Kh., Amshokov B.Kh. Raschet fil'tratsii cherez zemlyanye plotiny na pronitsaemom osnovanii raznoy moshchnosti [Calculation of the Filtration through the Earthen Dam on Permeable Foundation of Different Capacity]. Gidrotekhnicheskoe stroitel'stvo [Hydraulic Engineering]. 2011, no. 2. pp. 29—33.
  5. Bukhartsev V.N., Petrichenko M.R. Reshenie zadachi o fil'tratsii v odnorodnom pryamougol'nom gruntovom massive na osnove variatsionnykh printsipov [The Solution of the Problem of Filtering in a Homogeneous Rectangular Earthen Array Basing on Variation Principles]. Gidrotekhnicheskoe stroitel'stvo [Hydraulic Engineering]. 2012, no. 3. pp. 32—37.
  6. Bereslavskiy E.N., Aleksandrova L.A., Pesterev E.V. Matematicheskoe modelirovanie fil'tratsionnykh techeniy pod gidrotekhnicheskimi sooruzheniyami [Mathematical Modeling of Filtration Flows under Hydraulic Structures]. Nauchnye vedomosti Belgorodskogo gosudarstvennogo universiteta. Seriya: Matematika. Fizika [Proceedings of Belgorod State University Series: Mathematics. Phisics]. 2009, no. 16, vol. 5, pp. 32—46.
  7. Polubarinova-Kochina P.Ya. Razvitie issledovaniy po teorii fil'tratsii v SSSR (1917—1967) [The Development of Investigations on Filtration Theory in the USSR (1917—1967)]. Moscow, Nauka Publ.,1969, 545 p.
  8. Belkova I.N., Glagovsy V.B., Pavlovskaya L.N., Radchenko V.G. Otsenka fil'tratsionnoy prochnosti gruntovoy plotiny na primere Irganayskoy GES [Estimation of Seepage Strength of Earth Dam by the Example of Irganaiskaya HPP]. Izvestiya VNIIG imeni B.E. Vedeneeva [News of the All-Union Scientific and Research Institute of Hydraulic Engineering named after B.E. Vedeneev]. 2011, vol. 264, pp. 3—12.
  9. Mishin D.V. Programmnaya arkhitektura i interaktivnaya sreda konechno-elementnogo raschetnogo kompleksa DISK-Geomekhanika [Program Arcgitecture and Interactive Environment of DISK-Geomechanics Finite Element Computation Set]. Izvestiya VNIIG imeni B.E. Vedeneeva [News of the All-Union Scientific and Research Institute of Hydraulic Engineering named after B.E. Vedeneev]. 2002, vol. 241, pp. 193—196.
  10. Belov A.N., Gorokhov E.N. Trekhmernoe matematicheskoe modelirovanie temperaturnogo rezhima gruntovykh plotin v kriolitozone [3D Thermal Modeling of Soil Dams in Cryolithic Zone]. Privolzhskiy nauchnyy zhurnal [Privolzhsky Scientific Review]. 2010, no. 1, pp. 65—71.
  11. Panov C.I., Buryakov O.A., Pryamitskiy A.V., Bichkov E.A. Vliyanie granichnykh i nachal'nykh usloviy na rezul'taty raschetov temperaturnogo sostoyaniya gruntovykh plotin na severe [Influence of Boundary and Initial Conditions on the Calculation Results of Thermal State of Earth Dams in the North]. Izvestiya VNIIG imeni B.E. Vedeneeva [News of the All-Union Scientific and Research Institute of Hydraulic Engineering named after B.E. Vedeneev]. 2012, vol. 266, pp. 44—54.
  12. Aniskin N.A. Temperaturno-fil’tratsionnyy rezhim osnovaniya i plotiny Kureyskoy GES vo vtorom pravoberezhnom ponizhenii [Thermal and Filtration Behaviour of Dam Base and Structure of Kureyskaya Hydro-electric Power Plant at the Second Reduced Level of the Right Bank]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2006, no. 2, pp. 43—52.
  13. Gorokhov E.N. Temperaturnyy rezhim gruntov levoberezhnogo primykaniya Vilyuyskoy GES-3 [Thermal Mode of Soils of the Left-bank Abutment of Vilyuyskaya-3 Hydroelectric Power Plant]. Gidrotekhnicheskoe stroitel’stvo [Hydraulic Engineering]. 2003, no. 2, pp. 12—15.
  14. Gorokhov E.N. Teoriya i metod rascheta temperaturno-kriogennogo rezhima plotin iz kamennoy nabroski v kriolitozone [Theory and Method of Analysis of Thermal and Cryogenic Mode of Rock-mound Dams in the Permafrost Zone]. Izvestiya vuzov. Stroitel’stvo [News of Institutions of Higher Education. Construction]. 2005, no. 9, pp. 32—39.
  15. Markhilevich O.K. Primenenie metodov modelirovaniya geofil'tratsii pri proektirovanii gidrotekhnicheskikh sooruzheniy [Application of modeling techniques of geofiltration when designing hydraulic structures]. Gidrotekhnicheskoe stroitel'stvo [Hydro Review]. 2009, no. 4, pp. 61—72.
  16. Suntsov N.N. Metody analogiy v aerogidrodinamike [Analog Method in Aerohydrodynamics]. Moscow, Fizmatlit Publ., 1958, 324 p.
  17. Aniskin N.A. Temperaturno-fil’tratsionnyy rezhim prigrebnevoy zony gruntovoy plotiny v surovykh klimaticheskikh usloviyakh [Thermal and Filtration Behaviour of the Earth Dam Crest Area in Severe Climatic Conditions]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 4, pp. 129—137.
  18. Sheng-Hong C. Adaptive FEM Analysis for Two-dimensional Unconfined Seepage Problems. Journal of Hydrodynamics. 1996, Ser. B, vol. 8, no. 1, pp. 60—66.
  19. Basov K.A. ANSYS: spravochnik pol'zovatelya [ANSYS. The User's Guide]. Moscow, DMK Press Publ., 2011, 640 p.
  20. Zhao Xiao-xi, Zhang Bao-lei, Wang Zong-ming. Stability Analysis of Seepage Flow through Earth Dam of Huangbizhuang. Reservoir Based on ANSYS/APDL Rock and Soil Mechanics. 2005. Available at: http://en.cnki.com.cn/Article_en/CJFDTotal-YTLX2005S2053.htm. Date of access: 24.08.2014.
  21. Kaplun A.B., Morozov E.M., Olfer'eva M.A. ANSYS v rukakh inzhenera. Prakticheskoe rukovodstvo [ANSYS in the Hands of an Engineer. Practical Guide.]. Moscow, Librokom Publ., 2014, 272 p.
  22. Locke M., Indraratna B., Adikari G. Time-Dependent Particle Transport through Granular Filters. Journal of Geotechnical and Geoenvironmental Engineering. 2001, vol. 127, no. 6, pp. 521—528.
  23. Mgalobelov Yu.B., Deyneko A.V. Raschetnoe obosnovanie bezopasnosti sovremennykh gidrotekhnicheskikh sooruzheniy i osobennosti ucheta vozdeystviy ot tekhnologicheskogo oborudovaniya pri zemletryasenii [Justifying Calculations of Modern Waterworks Safety and Peculiarities of Account for the Process Equipment Impact in Case of Earthquakes]. Gidrotekhnicheskoe stroitel'stvo [Hydraulic Engineering]. 2010, no. 7, pp. 46—51.
  24. Evstigneev N.M. Uskorenie raschetov inzhenernykh zadach, privodimykh k ellipticheskim operatoram, s ispol'zovaniem graficheskogo protsessora tekhnologii CUDA [Acceleration of Engineering Problems Calculation, which are Reduced to Elliptic Operators with GPU Technology CUDA]. Stroitel'noe proektirovanie [Construction Design]. 2009, no. 2, pp. 55—60.

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Simulation of accidental emissions of explosive substances in premises

  • Komarov Aleksandr Andreevich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Professor, Department of Hydraulics and Water Resources, Moscow State University of Civil Engineering (MGSU), ; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Buzaev Evgeniy Vladimirovich - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Hydraulics and Water Resources, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Vasyukov Gleb Viktorovich - State Fire Academy of EMERCOM of Russia (AGPS) Candidate of Technical Sciences, Associate Professor, Chair, Department of Environmental Safety, State Fire Academy of EMERCOM of Russia (AGPS), 4 Borisa Galushkina street, Moscow, 129366, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Zagumennikov Ruslan Andreevich - State Fire Academy of EMERCOM of Russia (AGPS) postgraduate student, Department of Combustion Processes, State Fire Academy of EMERCOM of Russia (AGPS), 4 Borisa Galushkina street, Moscow, 129366, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 132-140

The article presents and analyzes experimental studies of the distribution of ink in the water and the explosive combustion of methane-air mixture. The authors described the processes of explosive mixtures’ formation in a room in case of methane leakage. The article also presents the visualization of the formation process of explosive mixtures. The mathematical model and calculation model adequately describe the process and confirm the results of the experiments. The coefficient of turbulent diffusion under the given conditions is indirectly determined. Explosive mixtures usually form accidental leaks of combustible substances from household stoves in the residential sector. The consequences of such accidents are human losses and material damage. As the analyses have shown the formation of gas-air mixtures of combustible substances is affected by: turbulent diffusion coefficient, the parameters of the sources of accidental releases, the physical properties of gas-air mixtures and other. Explosive substances are not visible to the human eye. In order to visualize the physical process we will use the model distribution and dissolution of ink in water. Based on the analysis of the works of different scientists it was concluded that the laws of distribution of liquids and gases are similar. The experiments were carried out in order to study the distribution of ink in the water and explosive combustion of methane-air mixture to determine and describe the process of formation of explosive mixtures in a room in case of methane leakage. The coefficient of turbulent diffusion is a key parameter that can accurately predict the development of these emergency situations.

DOI: 10.22227/1997-0935.2014.10.132-140

References
  1. Komarov A.A., Chilikina G.V. Usloviya formirovaniya vzryvoopasnykh oblakov v gazifitsirovannykh zhilykh pomeshcheniyakh [Formation Conditions of Explosive Cloudes in Gasified Living Spaces]. Pozharovzryvobezopasnost' [Fire Safety]. 2002, vol. 11, no. 4, pp. 24—28. (in Russian)
  2. Clavin P., Williams F.A. Analytical Studies of the Dynamics of Gaseous Detonations. Phil. Trans. R. Soc. A. 2012, vol. 370, no. 2, pp. 597—624. DOI: http://dx.doi.org/10.1098/rsta.2011.0345.
  3. Coelho P.J. A Theoretical Analysis of the Influence of Turbulence on Radiative Emission in Turbulent Diffusion Flames of Methane. Combustion and Flame. 2013, vol. 160, no. 3, pp. 610—617. DOI: http://dx.doi.org/10.1016/j.combustflame.2012.11.009.
  4. Xiaoping Wen, Minggao Yu, Zhichao Liu, Wence Sun. Large Eddy Simulation of Methane-air Deflagration in an Obstructed Chamber Using Different Combustion Models. Journal of Loss Prevention in the Process Industries. 2012, vol. 25, no. 4, pp. 730—738. DOI: http://dx.doi.org/10.1016/j.jlp.2012.04.008.
  5. Sochet I., Gillard P., Guélon F. Effect of the Concentration Distribution on the Gaseous Deflagration Propagation in the Case of H2 /O2 Mixture. Journal of Loss Prevention in the Process Industries. 2006, vol. 19, no. 2—3, pp. 250—262. DOI: http://dx.doi.org/10.1016/j.jlp.2005.02.006.
  6. DeHaan J.D., Crowhurst D., Hoare D., Bensilum M., Shipp` M.P. Deflagrations Involving Stratified Heavier-Than-Air Vapor/Air Mixtures. Fire Safety Journal. 2001, vol. 36, no. 7, pp. 693—710. DOI: http://dx.doi.org/10.1016/S0379-7112(01)00011-X.
  7. Adushkin V.V., Kogarko S.M., Lyamin A.G. Raschet bezopasnykh rasstoyaniy pri gazovom vzryve v atmosfere [Calculation of Safe Distances in Case of Gas Explosion in the Atmosphere]. Vzryvnoe delo: sbornik [Explosion Issue: Collection]. Moscow, Nedra Publ., 1975, no. 75/32, Svoystva vzryvchatykh materialov i ikh sovershenstvovanie [Features of Explosive Materials and their Improvement], pp. 82—94. (in Russian)
  8. Mishuev A.V., Kazennov V.V., Komarov A.A., Gromov N.V., Luk'yanov A.V., Prozorovskiy D.V. Osobennosti avariynykh vzryvov vnutri zhilykh gazifitsirovannykh zdaniy i promyshlennykh ob"ektov [Features of Crash Explosions in Living Gasified Buildings and Industrial Objects]. Pozharovzryvobezopasnost' [Fire Safety]. 2012, vol. 21, no. 3, pp. 49—56. (in Russian)
  9. Gorev V.A., Medvedev G.M. Vliyanie formy oblaka i mesta initsiirovaniya vzryva na kharakter vzryvnoy volny [Influence of the Cloud Shape and the Place of Explosion Initiation on the Explosion Blast Nature]. Pozharovzryvobezopasnost' [Fire Safety]. 2012, vol. 21, no. 6, pp. 29—33. (in Russian)
  10. Loytsyanskiy L.G. Mekhanika zhidkosti i gaza [Liquid and Gas Mechanics]. 5 edition. Moscow, Nauka Publ., 1978, 736 p. (in Russian)
  11. Kochin N.E., Kibel' I.A., Roze N.V. Teoreticheskaya gidromekhanika v 2 chastyakh [Theoretical Hydromechanics in 2 Volumes]. 6th edition. Moscow, Fizmatlit Publ., 1963, vol. 1, 584 p., vol. 2, 728 p. (in Russian)
  12. Lavrent'ev M.A., Shabat B.V. Problemy gidrodinamiki i ikh matematicheskie modeli [Hydrodynamics Problems and their Mathematical Models]. 2nd edition. Moscow, Nauka Publ., 1977, 407 p. (in Russian)
  13. Abramovich G.N. Teoriya turbulentnykh struy [Theory of Turbulent Jets]. Moscow, Fizmatgiz Publ., 1960, 715 p. (in Russian)
  14. Komarov A.A., Buzaev E.V. Eksperimental'noe opredelenie koeffitsienta turbulentnoy diffuzii dlya rascheta protsessov formirovaniya vzryvoopasnykh oblakov [Experimental Calculation of Turbulent Diffusion Coefficient for Estimation of Explosive Clouds Formation Processes]. Stroitel'stvo — formirovanie sredy zhiznedeyatel'nosti : sbornik trudov 17 Mezhdunarodnoy mezhvuzovskoy nauchno-prakticheskoy konferentsii [Construction — Formation of Living Environment : Collection of the Works of 17th International Interuniversity Science and Practice Conference]. Moscow, MGSU Publ., 2014, pp. 504—509. (in Russian)
  15. Polandov Yu.Kn., Babankov V.A. Vliyanie mesta raspolozheniya istochnika vosplameneniya v pomeshchenii na razvitie vzryva gaza [Influence of Ignition Source Location in a Premise on Gas Explosion Development]. Pozharovzryvobezopasnost' [Fire Safety]. 2014, vol. 23, no. 3, pp. 68—74. (in Russian)
  16. Abduragimov I.M. Effekt ubeganiya parovozdushnoy goryuchey smesi ot fronta plameni pri «vzryve» ee v zamknutom ob"eme [“Flow” Effect of Combustible Vapour-air Mixture from Flame Front in Case of ots “Explosion” in an Enclosed Volume]. Pozharovzryvobezopasnost' [Fire Safety]. 2012, vol. 21, no. 2, pp. 13—27. (in Russian)
  17. Gorev V.A. Otsenka skorosti goreniya odnorodnoy gazovoy smesi pri opredelyayushchem vliyanii neustoychivosti plameni [Estimation of Uniform Gas Mixture Combustion Speed in Case of Determining Influence of Flame Instability]. Pozharovzryvobezopasnost' [Fire Safety]. 2008, vol. 17, no. 1, pp. 12—16. (in Russian)
  18. Mingshu Bi, Chengjie Dong, Yihui Zhou. Numerical Simulation of Premixed Methane-Air Deflagration in Large L/D Closed Pipes. Applied Thermal Engineering. July 2012, vol. 40, pp. 337—342. DOI: http://dx.doi.org/10.1016/j.applthermaleng.2012.01.065.
  19. Alalykin G.B., Godunov S.K., Kireeva I.L., Pliner L.A. Reshenie odnomernykh zadach gazovoy dinamiki v podvizhnykh setkakh [Solving One-dimension Problems of Gas Dynamics in Moving Grids. Moscow, Nauka Publ., 1970, 112 p. (in Russian)
  20. Zel'dovich Ya.B., Barenblatt G.I., Librovich V.B., Makhviladze G.M. Matematicheskaya teoriya goreniya i vzryva [Mathematical Theory of Combustion and Explosion]. Moscow, Nauka Publ., 1980, 480 p. (in Russian)
  21. Korobeynikov V.P. Zadachi teorii tochechnogo vzryva v gazakh [Problems of Point Explosion Theory in Gases]. Moscow, Nauka Publ., 1973, 400 p. (in Russian)
  22. Koshlyakov N.S., Gliner E.B., Smirnov M.M. Uravneniya v chastnykh proizvodnykh matematicheskoy fiziki [Control Circuit in Partial Derivatives in Mathematical Physics]. Moscow, Vysshaya shkola Publ., 1970, 710 p. (in Russian)
  23. Landau L.D., Lifshits E.M. Mekhanika sploshnykh sred [Continuous Media Mechanics]. Moscow, Gosudarstvennoe izdatel’stvo tekhniko-teoreticheskoy literaturyry Publ., 1953, 788 p. (in Russian)
  24. Zagumennikov R.A. Nedostatki sovremennoy otsenki pozharovzryvoopasnosti metana [Drawbacks of Contemporary Estimation of Methane Fire and Explosion Hazard]. Sovremennye tekhnologii obespecheniya grazhdanskoy oborony i likvidatsii posledstviy chrezvychaynykh situatsiy : sbornik statey po materialam vserossiyskoy nauchno-prakticheskoy konferentsii 19 aprelya [Modern Technologies in Providing Civil Defense and Emergency Recovery : Collection of Articles from the Materials of All-Russian Science and Practice Conference, April, 19th]. Voronezh, 2013, pp. 361—363. (in Russian)
  25. Buzaev E.V. Formirovanie vzryvopozharoopasnykh oblakov tyazhelykh i legkikh uglevodorodnykh soedineniy na primere vzryvnoy avarii [Formation of Explosive Clouds of Heavy and Light-hydrocarbon Compounds on Exaple of Explosion Accidents]. Pozharotushenie: problemy, tekhnologii, innovatsii : materialy Mezhdunarodnoy nauchno-prakticheskoy konferentsii [Fire Supression: Problems, Technologies, Innovations : Materials of International Science and Practice Conference]. Moscow, AGPS MChS Rossii Publ., 2012, p. 282. (in Russian)

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Features of water supply and water disposal of waste disposal systems in buildings

  • Orlov Evgeniy Vladimirovich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Scienc- es, Associate Professor, Department of Water Supply, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 141-146

In the article the main design errors of the systems of rubbish disposal over recent years are considered, in which the systems of water supply and water disposal had a supporting role. The main problems arising during operation of dry cold refuse chutes, the deprived new technical solutions on water supply and sewerage are shown. Solutions of the main task of ensuring sanitary and hygienic safety of people living in the building by installation and operation of special clearing devices with a supply of cold and hot water are provided. They allow placing the necessary equipment for cleaning an internal surface of a trunk of a refuse chute in the compact case. It will allow not only to get rid of unpleasant smells, but also will prevent distribution of rodents and insects in the whole residential building. Also this device allows fighting against obstruction of a trunk of a refuse chute large-size subjects that isn’t a rarity recently at operation of a dry cold refuse chute in a building. Much attention is paid to the organization of fire safety in case of possible fire in the collecting garbage camera that can lead to smoking of staircases and poisoning with carbon monoxide of people living in the building. The technical solutions are given, which allow to refuse using sprinkler fire extinguishing system because of its inefficient work for fire extinguishing in the collecting garbage camera. It is offered to pass to the deluge systems, allowing to extinguish a fire either automatically with the help of smoke sensor installed indoors, or by means of the controlling service personnel in the garbage container. The special attention is paid to consideration of the questions of suppression of possible ignition in a refuse chute trunk, which can occur at ejection of a burning subject in the trunk hammered with large-size garbage. As the solution to this problem it is offered to use also drencher fire extinguishing and special gas analyzers for catching of vapors of a caustic smoke, which can suddenly appear and lead to serious incidents.

DOI: 10.22227/1997-0935.2014.10.141-146

References
  1. Orlov E.V. Sistemy musoroudaleniya. Ekspluatatsiya v mnogoetazhnom zhilom dome [Rubbish Disposal Systems. Operation in a Multystoried Building]. Tekhnologii mira [Technologies of the World]. 2013, no. 4, pp. 33—37. (in Russian)
  2. Khramenkov S.V. Energoeffektivnye proekty vodnogo khozyaystva Moskvy [Energy-Saving Projects of Water Management in Moscow]. Energosberezhenie [Energy Saving]. 2010, no. 1, pp. 14—17. (in Russian)
  3. Isaev V.N., Mkhitaryan M.G. Aktualizatsiya SNiP 2.04.01—85* [Update of Construction Norms and Requirements SNiP 2.04.01—85*]. Truboprovody i ekologiya [Pipelines and Ecology]. 2009, no. 3, pp. 11—15. (in Russian)
  4. Isaev V.N., Davydova A.A. Pit’evoe i khozyaystvennoe vodosnabzhenie [Drinking and Domestic Water Supply]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2009, no. 2, pp. 148—150. (in Russian)
  5. Husband P.S., Boxall J.B. Asset Deterioration and Discolouration in Water Distribution Systems. Water Research. 2011, vol. 45, no. 1, pp. 113—124. DOI: http://dx.doi.org/10.1016/j.watres.2010.08.021.
  6. Isaev V.N. Sotsial’no-ekonomicheskie aspekty vodosnabzheniya i vodootvedeniya [Social and Economic Aspects of Water Supply and Water Disposal]. Santekhnika [Sanitary Engineering]. 2007, no. 1, pp. 8—16. (in Russian)
  7. Shevchenko T.I. Izvlechenie resursov iz otkhodov: motivatsionnye aspekty [Extraction of Resources from Waste: Motivational Aspects]. Tverdye bytovye otkhody [Municipal Solid Waste]. 2010, no. 5 (47), pp. 14—17. (in Russian)
  8. Hong H.C., Mazumder A., Wong M.H., Liang Y. Yield Of Trihalomethanes And Haloacetic Acids upon Chlorinating Algal Cells, and its Prediction via Algal Cellular Biochemical Composition. Water Research. 2008, no. 42, pp. 4941—4948. DOI: http://dx.doi.org/10.1016/j.watres.2008.09.019.
  9. Lukasheva E.P. Ot musora k toplivu [From Garbage to Fuel]. Tverdye bytovye otkhody [Municipal Solid Waste]. 2010, no. 4, pp. 58—59. (in Russian)
  10. Antonov A.A., Shilkin N.V. Sistemy musoroudaleniya i bel’eprovody. Osobennosti proektirovaniya i ekspluatatsii [Systems of Rubbish Disposal and Laundry Duct. Features of Design and Operation]. AVOK. 2009, no. 4, pp. 28—42. (in Russian)
  11. Samoylov A.V. Ustanovka i rekonstruktsiya sistem musoroudaleniya. Problemy i puti resheniya [Installation and Reconstruction of the Systems of Rubbish Disposal. Problems and Solutions]. AVOK. 2010, no. 1, pp. 52—62. (in Russian)
  12. Azza M. Abd El-Aty, Mohamed B.M. Ibrahim, Mohamed A. El-Dib, Emad K. Radwan. Influence of Chlorine on Algae as Precursors for Trihalomethane and Haloacetic Acid Production. World Applied Sciences Journal. 2009, vol. 6, no. 9, pp. 1215—1220.
  13. Orlov E.V. Sistema bel’eprovoda v zdaniyakh. Ustroystvo i printsip raboty [System of Laundry Duct in Buildings. Arrangement and Principle of Work]. Tekhnologii mira [Technologies of the World]. 2013, no. 7, pp. 37—39. (in Russian)
  14. Min B., Logan B.E. Continuous Electricity Generation from Domestic Wastewater and Organic Substrates in a Flat Plate Microbial Fuel Cell. Environ. Sci. Technol. 2004, no. 38 (21), pp. 5809—5814. DOI: http://dx.doi.org/10.1021/es0491026.
  15. Vreeburg J.H.G., Schippers D., Verberk J.Q.J.C., van Dijk J.C. Impact of Particles on Sediment Accumulation in a Drinking Water Distribution System. Water Research. 2008, vol. 42, no. 16, pp. 4233—4242. DOI: http://dx.doi.org/10.1016/j.watres.2008.05.024.

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HYDRAULICS. ENGINEERING HYDROLOGY. HYDRAULIC ENGINEERING

Effect of the physical properties of a liquid on discharge coefficient in case of efflux from under the gate

  • Medzveliya Manana Levanovna - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Associate Professor, Department of Hydraulic Engineering, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Pipiya Valeriy Valerianovich - Breesize Trading Limited Candidate of Technical Sciences, Senior Project Engineer, Breesize Trading Limited, 42 Mosfil’movskaya St., Moscow, 119285, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Volgina Lyudmila Vsevolodovna - Moscow State University of Civil Engineering (MGSU) andidate of Technical Sciences, Associate Professor; +7 (495) 287-49-14, ext. 14-18, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 147-152

Hydraulic engineering models are usually calculated according to Fraud law. Though in the process of small size models operation also viscosity and service tension forces become essential and we can’t neglect them.
The article considers the influence of viscosity and surface tension on discharge coefficient in case of efflux from under the gate. In the article the technique of carrying out experiments is stated, the equation is presented, which considers the influence of all factors: pressure, speed of liquid, liquid density, dynamic, superficial tension, gravity acceleration, unit discharge, width of the course, opening height. The surface tension and the liquid density for the used liquids changed a little. The gate was established in a rectangular trough (6000×100×200).
It is shown that with the increase of Reinolds number (at a relative opening a/H = 00,04…0,03 and Webers number
We > 250) the discharge coefficient rises and no longer depends on the Reinolds number, at Re > 2000 and Webers number (at constant values of Reinolds numbers) practically does not influence the discharge coefficient.

DOI: 10.22227/1997-0935.2014.10.147-152

References
  1. Allen J. Scale Models in Hydraulic Engineering. London, Longmens Green, 1947, 440 p.
  2. Benedini M. Lo stramazzo Bazin in canali di grandi dimensioni. Energia electr., 1966, vol. 43, no. 7, pp. 412—423.
  3. Maxwell W., Hall C., Weggel J. Surface Tension in Froude Models. J. of Hydraulics Division, ASCE. 1969, vol. 95, no. 2, pp. 677—704.
  4. Martynov I.P. Istechenie iz-pod ploskogo shchita [Efflux from under Flat Panel]. Nauchnye zapiski Moskovskogo gidromeliorativnogo instituta im. Vil'yamsa [Proceedings of Moscow Hydrotechnological Institute Named after Williams]. 1959, vol. 21, pp. 263—272. (in Russian)
  5. Spronk R. Similitude des ecoulements Sur les deversoirs en mince paroi aux faibles charges. Rev. Univers. Mines. 1953, vol. 3, no. 9, pp. 119—127.
  6. D’Alpaos L. Sull’efflusso a stramazzo al di sopra di un bordo in parete s ottile per piccolo Valori del carico. Atti ist.Veneto sci lett. ed arti. Cl, sci mat. e natur. 1976—1977, vol. 135, pp. 169—190.
  7. Medzveliya M.L., Pipiya V.V. Koeffitsient raskhoda vodosliva s shirokim porogom v oblasti malykh naporov [Discharge Ratio of the Broad-crested Weir Flow in the Low Head Area]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 4, pp. 167—171. (in Russian)
  8. Linford A. The Application of Models to Hydraulic Engineering — Reservoir Spillways. Water and Water Engn. Oct. 1965, pp. 351—373.
  9. Engel F.V.A., Stainsby W. Weirs for Flow Measurement in Open Channels. Part 2. Water and Water Engng. 1958, vol. 62, no. 747, pp. 190—197.
  10. Raju R., Asawa G.L. Viscosity and Surface Tension Effects on Weir Flow. J. of the Hydraulics Div., ASCE. 1977, vol. 103, no. 10, pp. 1227—1231.
  11. Lenz A.T. Viscosity and Surface Tension Effects on V-Notch Weir Coefficients. Transactions, ASCE. 1943, vol. 108, no. 1, pp. 351—373.
  12. Al'tshul' A.D. Istechenie iz otverstiy zhidkostey s povyshennoy vyazkost'yu [Efflux of the Liquids with Raised Viscosity from the Holes]. Neftyanoe khozyaystvo [Oil Industry]. 1950, no. 2, pp. 55—60. (in Russian)
  13. Ob usloviyakh otryva prilipshey strui na vodoslive s ostrym porogom [On the Conditions of Separating the Stuck Flood on the Weir with a Sharp Threshold]. Izvestiya vuzov: Stroitel'stvo [News of the Institutions of Higher Education]. 1991, no. 11, pp. 73—76. (in Russian)
  14. Medzveliya M.L. Uchet poverkhnostnogo natyazheniya pri gidravlicheskom modelirovanii vodosliva s ostroy kromkoy [Account For The Surface Tension In Hydraulic Modeling Of The Weir With A Sharp Threshold]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2014, no. 9, pp. 100—105. (in Russian)
  15. Rel'tov B.F. Ob istechenii iz-pod vertikal'nogo shchita v gorizontal'nyy lotok [On the Efflux from under Vertical Gate into Horizontal Triugh]. Izvestiya VNIIG [News of All-Russian Scientific and Research Institute of Hydraulic Engineering]. 1934, vol. 11, no. 23, pp. 29—41. (in Russian)

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A fuzzy group decision making approach to select the best alternative for sustainable sediment management in the Dez dam reservoir

  • Elfimov Valeriy Ivanovich - Peoples’ Friendship University of Russia (PFUR) Candidate of Technical Sciences, Associate Professor, Department of Hydraulics and Hydraulic Engineering Structures, Peoples’ Friendship University of Russia (PFUR), 6 Miklukho-Maklaya str., Moscow, 117198, Russian Federation; +7 (495) 952-08-31; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Khakzad Hamid - Peoples Friendship University of Russia (PFUR) postgraduate student, Department of Hydraulics and Hydraulic Engineering Structures, Peoples Friendship University of Russia (PFUR), 6 Miklukho-Maklaya str., Moscow, 117198, Russian Federation; +7 (495) 9520831; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 153-167

The purpose of this research is to develop a new fuzzy group decision making algorithm and apply it to select the most preferred alternative for sediment management in the Dez dam reservoir. In this way, nine potential alternatives for sediment management in the Dez reservoir and four criteria (technical and executive requirements, economic factors, social welfare, environmental impacts) are selected. In order to evaluate different alternatives, firstly, the collective group weight of each alternative is calculated considering assessment of a group consisting of four criteria. And after that, the best alternative is selected using the proposed fuzzy group decision making methodology. The results of this study showed the efficiency of the application of fuzzy group decision making in sediment management. Application of the proposed method helps to balance the whole criteria and to select the best alternative.

DOI: 10.22227/1997-0935.2014.10.153-167

References
  1. Mahmood K. Reservoir Sedimentation: Impact, Extent and Mitigation. World Bank Technical Paper 71, Washington, DC, 1987.
  2. White W.R. Evacuation of Sediments from Reservoirs. London, Thomas Telford, 2001.
  3. WCD. Dams and Development. A New Framework for Decision-making. London, Earthscan publications Ltd., 2000, 356 p.
  4. Woodward J.C. Patterns of Erosion and Suspended Sediment Yield in Mediterranean River Basins. In: I.D.L. Foster, A.M. Gurnell and B.W. Webb (Editors). Sediment and Water Quality in River Catchments. Wiley, Chichester, 1995, pp. 365—389.
  5. Morris G., Fan J. Reservoir Sedimentation Handbook; Design and Management of Dams, Reservoirs and Watersheds for Sustainable Use. McGraw Hill, New York, 1998.
  6. Annandale G.W., Palmieri A., Shah F., Dinar A. Reservoir Conservation. Volume I. The World Bank, 2003.
  7. Dezab Consulting Engineers in Association with ACTRES international. Dez Dam Rehabilitation Project, Contract No. 81-5M334 Stage 2, Task 1 — Reservoir Operation Review and Sediment Study. 2004.
  8. Smolíková R., Wachowiak M.P. Aggregation Operators for Selection Problems. Fuzzy Sets and Systems. 2002, vol. 131, no. 1, pp. 23—34.
  9. Yager R.R. On Ordered Weighted Averaging Aggregation Operators in Multi-criteria Decision Making. IEEE Trans.Systems, Man Cybernet. 1988, vol. 18, pp. 183—190.
  10. Yager R.R. Families of OWA Operators. Fuzzy Sets and Systems. 1993, vol. 59, pp. 125—148.
  11. Yager R.R. Aggregation Operators and Fuzzy Systems Modeling. Fuzzy Sets and Systems. 1994, vol. 67, pp. 129—145.
  12. Choudhurya A.K., Shankarb R., Tiwari M.K. Consensus-based Intelligent Group Decision-making Model for the Selection of Advanced Technology. Journal of Decision Support Systems. 2006, vol. 42, pp. 1776—1799.
  13. Saaty T.L. The Analytic Hierarchy Process. McGraw-Hill, New York, 1980.
  14. Chiclana F., Herrera F., Herrera-Viedma E. Integrating Three Representation, Models in Fuzzy Multipurpose Decision Making Based on Fuzzy Preference Relations. Fuzzy Sets Systems, 1998, vol. 97, pp. 277—291.

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TRANSPORTATION SYSTEMS

Active safety vehicles and reducing road accidents

  • Yushkov Vladimir Sergeevich - Perm National Research Polytechnic University (PNRPU) Senior Lecturer, Department of Automobiles and Technological Machines, postgraduate student, Department of Automobile Roads and Bridges, Perm National Research Polytechnic University (PNRPU), 29 a Komsomol’skiy prospekt, Perm, 614990, Russian Federation; +7 (342) 239-16-54; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Yushkov Boris Semenovich - State National Research Polytechnical University of Perm (PSTU SNRPUP) Candidate of Technical Sciences, Professor, Chair, Department of Motorways and Bridges, State National Research Polytechnical University of Perm (PSTU SNRPUP), 29 a Komsomol’skiy prospekt, 614990, Perm, Russian Federation; +7 (342) 239-15-73; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Burgonutdinov Al’bert Masugutovich - State National Research Polytechnical University of Perm (PSTU SNRPUP) Candidate of Technical Sciences, Associate Professor, Department of Motorways and Bridges, State National Research Polytechnical University of Perm (PSTU SNRPUP), 29 a Komsomol’skiy prospekt, 614990, Perm, Russian Federation; +7 (342) 239-13-71; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 168-176

Road transport compared with rail, air and water transport is currently the most dangerous mode of transport. In recent years, more attention has been given to the issues of comfort and active safety of vehicles. Safety of the vehicle is a complex problem, the solution of which is primarily concerned with improvements aimed at enhancing active safety system driver - vehicle - road. One of the main vehicle performances significantly impacting road safety and the environment, is a high-speed mode. Active safety car driver includes the ability to assess the situation on the road and choose the safest mode of movement, as well as the possibility of the vehicle to implement the desired safe driving mode. Analyzing the causes of road traffic accidents submitted on the official websites of traffic police of the Perm region and Russia, it can be concluded that often carelessness and negligence of the driver is not the reason of an accident, but his inert perception, resulting in delayed response to rapidly changing traffic conditions. An average driver does not have the ability to instantly perceive suddenly appearing obstacles and quickly take measures to ensure the car’s handling and implementation of safe motion path. For this purpose we developed a modern technical means installed on a highway in the form of «vibrolane», with a driver fatigue monitoring system, which is aimed at preventing the driver wearied while driving behind the wheel from a possible departure to the oncoming lane or exit to the side of the road at driving on the hump. Thus, the proposed security system will reduce the number of accidents.

DOI: 10.22227/1997-0935.2014.10.168-176

References
  1. Morris J.R. Improving Road Safety in Developing Countries : Workshop summary. Transportation Research Board, Special report 287, Washington, D.C., 2006, 96 p.
  2. Kotik M.A., Emel’yanov A.M. Priroda oshibok cheloveka-operatora (na primerakh upravleniya transportnymi sredstvami) [Nature of the Errors of a Human-operator (by the Examples of Driving a Vehicle)]. Moscow, Transport Publ., 1993, 252 p. (in Russian)
  3. Kychkin V.I., Yushkov V.S. Rezonansnye kolebaniya pri dvizhenii avtotransportnogo sredstva po vibropolose [Resonant Vibrations when Driving a Motor Vehicle on Vibrolane]. Molodoy uchenyy [Young Scientist]. 2013, no. 3, pp. 65—68. (in Russian)
  4. Nemchinov M.V. Eshche raz o kachestve [Once Again on the Quality]. Avtomobil’nye dorogi [Motorways]. 2013, no. 2, pp. 74—77. (in Russian)
  5. Nikitas D.A. Sostoyanie bezopasnosti dorozhnogo dvizheniya v Rossiyskoy Federatsii: Problemy, profilaktika [Road Safety in the Russian Federation: Problems, Prevention]. Rossiyskiy sledovatel’ [Russian Investigator]. 2005, no. 9, pp. 51—54. (in Russian)
  6. Nikul’nikov E.N., Lyyurov M.V. Aktivnaya i passivnaya bezopasnost’ [Active and Passive Safety]. Avtomobil’naya promyshlennost’ [Automobile Industry]. 2004, no. 7, pp. 33—36. (in Russian)
  7. Rotenberg R.V. Osnovy nadezhnosti sistemy voditel’ — avtomobil’ — doroga — sreda [Reliability Fundamentals of the System Driver — Vehicle — Road — Environment]. Moscow, Mashinostoenie Publ., 1986, 216 p. (in Russian)
  8. Ryabchinskiy A.I., Kisulenko B.V., Morozova T.E. Reglamentatsiya aktivnoy i passivnoy bezopasnosti avtotransportnykh sredstv [Regulation of Active and Passive Safety of Vehicles]. Moscow, Academia Publ., 2006, 432 p. (in Russian)
  9. Fortunkov D.F. Kharakteristiki uprugosti shin i ikh vliyanie na stabilizatsiyu i samovozbuzhdenie upravlyaemykh koles avtomobilya [Elasticity Characteristics of Tires and their Effect on the Stabilization and Self-excitation of Steered Wheels of a Vehicle]. Avtomobil’naya promyshlennost’ [Automobile Industry]. 1984, no. 6, pp. 26—27. (in Russian)
  10. Khodes I.V., Bondarenko M.V. Komp’yuternaya podderzhka aktivnoy bezopasnosti avtomobilya [Computer Support of Active Safety of a Car]. Avtomobil’naya promyshlennost’ [Automobile Industry]. 2008, no. 7, pp. 20—23.
  11. Yushkov V.S. Vibropolosa — innovatsionnoe tekhnicheskoe sredstvo obespecheniya bezopasnosti dorozhnogo dvizheniya na avtomobil’nykh dorogakh RF [Vibrolane — an Innovative Technical Means of Ensuring Road Safety on the Roads of Russia]. Molodoy uchenyy [Young Scientist]. 2014, no. 3, pp. 367—369.
  12. Yushkov V.S., Kychkin V.I., Barmin N.D. Vibropolosa — funktsional’naya osobennost’ dorogi [Vibrolane — Functional Feature of a Road]. Tekhnicheskie nauki —ot teorii k praktike [Engineering Sciences — from Theory to Practice]. 2014, no. 2, pp. 109—113. (in Russian)
  13. Yushkov V.S., Yushkov B.S. Frezernoe oborudovanie dlya sozdaniya vibropolosy na avtomobil’noy doroge [Milling Equipment for Vibrolane Creation on the Road]. Stroitel’nye i dorozhnye mashiny [Building and Road Machines]. 2014, no. 7, pp. 29—31.
  14. Bendersky B.I., Matveev D.V., Zykov S.N. Numerical Simulation of Three Dimensional Air Flow of the Heating System and Ventilating System of a Passenger Car. International Conference on the Methods of Aerophysical Research. Novosibirsk, 2004, pp. 42—45.
  15. Brucker N., Schwab M. Untersuchungsmethodik von Schwingungen an Kraftfahrzeugtechnik. 1985, no. 5, pp. 136—138.
  16. Clarke D.W., Mohtadi C., Tuffs P.S. Generalized Predictive Control. Automatica. 1987, vol. 23, no. 2, pp. 137—148. DOI: http://dx.doi.org/10.1016/0005-1098(87)90087-2.
  17. Katebi M.R., Byrne J., Marshall R. LQG Adaptive Autopilot Design. IEE Colloquium on Control in the Marine Industry. London, 1988, pp. 51—54.
  18. Sampson D.J.M. Active Roll Control of Articulated Heavy Vehicles: A dissertation submitted to the University of Cambridge for the Degree of Doctor of Philosophy. Churchill College, Cambridge University Engineering Department, Sep. 2000, 298 p.
  19. Velasco F.J., Rueda T.M., Lopez E., Moyano E. Marine Course-Changing Manoeuvre: a Comparative Study of Control Algorithms. Proceedings of the 2002 International Conference on Control Applications. 2002, vol. 2, pp. 1064—1069.
  20. Zang C.D., Zhao G.L., Wei H.L. Neural Network Control with Fuzzy Predictor for Ship Autopilots. Intelligent Control and Automation, Proceedings of the 4th World Congress. 2002, vol. 4, pp. 3141—3144.

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ECONOMICS, MANAGEMENT AND ORGANIZATION OF CONSTRUCTION PROCESSES

State order economic efficiency examination

  • Piskarev Aleksandr Igorevich - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Economics and Modern Management Principles in Construction and Real Estate, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 177-187

The monitoring procedure is an integral part for tracking the results of tendering. It’s also necessary for patterns’ identification to make subsequent legislative adjustments. This article includes the Western experience analysis of the state contracts’ tracking with underlining of its main features. The U.S. Federal contract system includes the Act called «The Office of the U.S. state order», which was adopted in 1974. The Act requires creating a system for collecting information about federal government contracts. It is OMB’s obligation. Federal data bank of the state order was created in 1978. The control system of public procurement procedures, serving in Germany, meets the requirements of the EU, but has certain specifics. All the organizations, which are equated to government customers in accordance with the definition of the European Union, are in the sphere of public procurement procedures’ control system. Thus, the state customer is also a number of private entities. The control system includes two instances: 1) the appellate court, which exists in the form of an independent institution; 2) the court, which exists in the form of a judicial authority. The governmental experts’ and scientists’ organization called “State orders forum” is very effective and popular in Germany. Its members exchange their opinions on new developments in public procurement within the country and abroad. The article includes the analysis of the existing public orders monitoring procedures. Also the laws of procurement implementation, which exists at the stage of bidding and contractual obligations, are highlighted in the article. The consequences of ignoring the existing problems of public order in Russia are systematized. The main drawbacks of the state order control system are identified. In this article the existing public systems of the state order monitoring in Russia are inventoried. The requirement of cardinal processing the format and scope of the information is provided. Also the rules, which should serve as a new base for the state order controlling system, are formulated. What is more, the article includes the Moscow Construction Department as an example of the system tracking the procurement procedures. We offer a hypothetical model of the state order economic examination, based on the resulting data rates: price reduction in tendering; the number of participants in the tendering; execution of the contract term; life cycle costs; the quality of products; the presence of documented violations. Each indicator is assigned an importance factor in achieving the overall efficiency, which is defined by experts with the participation of government customers’. Determination of the complex efficiency index occurs by summing the obtained parameters. The results are obtained. The conclusions are formulated. Thus, the vector of the state order analysis direction from monitoring data to the hypothetical model of efficiency examination is defined.

DOI: 10.22227/1997-0935.2014.10.177-187

References
  1. Piskarev A.I. Raschet nachal’noy (maksimal’noy) tseny gosudarstvennogo kontrakta na vypolnenie podryadnyh rabot [Initial (maximum) Contract Price Calculation for the State Order]. Goszakaz [State Order]. 2014, no. 35, pp. 67—73. (in Russian)
  2. Karpinskaya E.S., Bereza A.O., Bogdanov T. Transfertnoe tsenoobrazovanie v stroiyel’nykh organizatsiyakh [Transfer Pricing of Construction Organizations]. Bukhuchet v stroitel’nykh organizatsiyakh [Accounting in Construction Companies]. 2014, no. 4, pp. 60—71. (in Russian)
  3. Yas’kova N.Y., Silka D.N., Bakrunov Yu.O. Razvitie investitsionno-stroitel’nykh protsessov v usloviyakh globalizatsii [Development of Investment and Construction Processes in the Globalization Conditions]. Moscow, MAIES Publ., 2009, 520 p. (in Russian)
  4. Chemerisov M.V. Kontraktnye otnosheniya: mezhdunarodnyy, regional’nyy i korporativnyy opyt [Contractual Relationship: International, Regional and Corporate Experience]. Available at: http://economy.gov.ru/minec/about/structure/depfks/doc20100806_06. Дата обращения: 08.02.2014. (in Russian)
  5. Federal Acquisition Regulation (FAR). 2005, vol. 1, 1889 p. Available at: https://acquisition.gov/far/current/pdf/FAR.pdf. Date of access: 01.03.2014.
  6. Albano G.L., Sparro M. Flexible Strategies for Centralized Public Procurement. Review of Economics and Institutions. 2010, vol. 1, no. 2, art. 4. Available at: http://www.rei.unipg.it/rei/article/view/17. Date of access: 14.02.2014. DOI: http://dx.doi.org/10.5202/rei.v1i2.17/.
  7. Brammer S., Walker H. Sustainable Procurement Practices in the Public Sector: An International Comparative Study. University of Bath: School of Management. Working Paper Series. 2007, no. 16. Available at: http://www.bath.ac.uk/management/research/pdf/2007-16.pdf. Date of access: 08.02.2014.
  8. Andreeva A. Mirovoy opyt goszakupok [World Experience of State Procurements]. Byudzhet [Budget]. 2006, no. 9. Available st: http://bujet.ru/article/2895.php. Date of access: 08.02.2014. (in Russian)
  9. Shumaev V.A. Sovershenstvovanie upravleniya gosudarstvennym sektorom ekonomiki s uchetom opyta zarubezhnykh stran [Improving of the State Economy Sector Management Basing on Foreign Experience]. Mekhanizatsiya stroitel’stva. [Automation of Construction]. 2013, no. 10, pp. 49—51. (in Russian)
  10. Balashov V.V., Fisunov K.V. Sistema monitoringa v ramkakh ekspertizy realizatsii gosudarstvennogo zakaza [Monitoring System in Frames of Public Order Implementation Examination]. Upravlenie ekonomicheskimi sistemami [Management of Economic Systems]. 2012, no. 48. Available at: http://www.uecs.ru/marketing/item/1876-2012-12-25-08-50-27. Date of access: 08.02.2014. (in Russian)
  11. Reyting Spetsializirovannykh organizatsiy po provedeniyu torgov v sootvetstvii s zakonom o razmeshchenii zakazov za 2013 god [Rating of Specialized Organizations on Tendering According to Law on Placing of Contracts]. Available at: http://www.mosgorzakaz.ru/2013.html. Date of access: 28.04.2014. (in Russian)
  12. Burak P.I. Investitsionno-stroitel’nyy kompleks Moskvy v usloviyakh territorial’noy ekspansii goroda [Construction and Investment Complex of Moscow in Terms of Territorial Expansion of the City]. Ekonomika stroitel’stva [Construction Economics]. 2014, no. 1, pp. 12—25. (in Russian)
  13. Gur'ev V.V., Dmitriev A.N., Sichareva A.Y., Sazhneva Z.S. Ekonomiko-tekhnologicheskaya effektivnost’ stroitel’noy otrasli Moskvy [Economic and technological efficiency of the Moscow’s’ construction industry]. Promyshlennoe i grazdanskoe stroitel’stvo [Industrial and Civil Engineering]. 2014, no. 1, pp. 37—42. (in Russian)
  14. Goryachev I.E. O rabote assotsiatsii ekspertizy stroitel’nykh proektov v 2013 godu [On the Work of the Association of Construction Projects’ Examination in 2013]. Promyshlennoe i grazdanskoe stroitel’stvo [Industrial and Civil Engineering]. 2014, no. 4, pp. 29—33. (in Russian)
  15. Makushchenko M.P. Razvitie regional’nogo mekhanizma povysheniya effektivnosti ispol’zovaniya rynochnogo potentsiala stroitel’nykh predpriyatiy [Development of a Regional Mechanism for Improving the Efficiency of Construction Enterprises’ Market Potential]. Ekonomika stroitel’stva i gorodskogo hozyaystva [Economy of Construction and Municipal Services]. 2013, vol. 9, no. 4, pp. 313—320. (in Russian)
  16. Grabovyy P.G., Bredikhin V.V., Kapyrin D.A. Problemy upravleniya proizvodstvenno-tekhnicheskim potentsialom territorial’no-investitsionnogo stroitel’nogo kompleksa (TISK) v usloviyakh konkurentnoy sredy [Management Problems of Production and Technical Potential of Spatial and Investment Construction Complex in Competitive Environment]. Nedvizhimost’: ekonomika, upravlenie [Real Estate: Economics, Management]. 2012, no. 1, pp. 47—51. (in Russian)
  17. Gushchin A.Yu. Opredelenie effektivnosti i sposoby ee otsenki v sisteme gosudarstvennogo zakaza [Definition of Efficiency and Methods of its Evaluation in the State Order System]. Fundamental’nye issledovaniya [Basic Research]. 2012, no. 9, part 1, pp. 204—208. (in Russian)
  18. Saydayev Kh.L.-A. Metodika vybora stroitel’noy kompanii v ramkakh organizatsii tendera na osnove rascheta kompleksnogo pokazatelya rezul’tativnosti [Methodology of Choosing a Construction Company for Tender on the Basis of Estimating Complex Efficiency Index]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 10, pp. 266—271. (in Russian)

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Changes in legislation aimed at strengthening criteria efficiency in open tenders for design

  • Reshetova Anna Yur'evna - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Construction of Thermal and Nuclear Power Engineering Objects, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (495) 781-80-07; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 188-196

On January 1, 2014, Federal Law No. 44-FZ On the Contract System in the Procurement of Goods, Works and Services to Meet the State and Municipal Needs (hereinafter, the Contract System Law) came into force. It is the new law on public procurement, which improved tendering procedures, implemented new types of organization and the rules of procurement, as well as adopted new tender evaluation criteria. Such innovations will make the procedure of procurement more transparent and efficient and improve the trading mechanism itself, thus, putting its operation to a brand new level. This article will show tender evaluation criteria based on the previous law (Federal Law No. 94-FZ dated July 21, 2005, On the Placement of Orders for Delivery of Goods, Performance of Works and Rendering of Services for the State and Municipal Needs (hereinafter, the Public Procurement Law) and the new law (the Contract System Law) on public procurement, their comparative analysis and the ways to improve open tender evaluation criteria. Open tender is still challenging in terms of organization and long-term with respect to the period for tendering procedures stipulated by the laws. However, as compared to the Public Procurement Law, the Contract System Law provides for twenty-day period for submission of competitive bids before the date of opening of envelopes from the date of posting the notice of procurement in the unified information system. Criteria, their types and significance applied by the customer based on the feasibility of selection depending on the specific tendering play a primary role at this stage of tendering process. At present, pursuant to Part 4 of the Article 32 of the Contract System Law, the customer must use at least two evaluation criteria in open tendering and the contract price should be one of them. Innovation of the laws also lies in the fact that the law establishes so-called cost and non-cost tender evaluation criteria, namely: the contract price; quality, functional and environmental characteristics of the procurement target; qualification of procurement participants, including availability of financial resources, equipment and other material resources necessary for execution of the contract, presence of goodwill, professionals and other employees of a certain skill level.

DOI: 10.22227/1997-0935.2014.10.188-196

References
  1. Federal'nyy zakon ot 05.04.2013 № 44-FZ. O kontraktnoy sisteme v sfere zakupok tovarov, rabot, uslug dlya obespecheniya gosudarstvennykh i munitsipal'nykh nuzhd [Federal Law No. 44 FZ from 05.04.2013. On the Contract System in the Procurement of Goods, Works and Services to Meet the State and Municipal Needs]. Rossiyskaya gazeta [Russian Newspaper]. April 12, 2013, no. 6056. Available at: http://www.rg.ru/2013/04/12/goszakupkidok.html/. Date of access: 10.09.2014. (in Russian)
  2. Kotel'nikov V.Yu., Gasanova E.M. Ot Federal'nogo zakona № 94-FZ k Federal'noy kontraktnoy sisteme: innovatsii konkursnykh torgov [From the Federal Law No 94-FZ to the Federal Purchasing System: Ccompetitive Tendering Innovations]. Journal of Economic Regulation — Voprosy regulirovaniya ekonomiki. 2012, no. 1, vol. 3, pp. 5—14. (in Russian)
  3. Federal'nyy zakon ot 21 iyulya 2005 g. № 94-FZ. O razmeshchenii zakazov na postavki tovarov, vypolnenie rabot, okazanie uslug dlya gosudarstvennykh i munitsi-pal'nykh nuzhd [The Federal Law of the Russian Federation dated July 21, 2005 N 94-FZ «On Placing Orders for the Supply of Goods, Works and Services for Public and Municipal Needs»]. Rossiyskaya gazeta [Russian Newspaper]. June 28, 2005, no. 3832. Available at: http://www.rg.ru/2005/07/28/goszakaz.html/. Date of access: 10.09.2014. (in Russian)
  4. Mazur O.V. Korruptsionnaya sostavlyayushchaya sfery gosudarstvennykh zakupok i ekonomicheskaya bezopasnost' [Value Detraction of Public Purchasing Sphere and Economic Security]. Biznes v zakone [Business in Law]. 2010, no. 5, pp. 281—283. (in Russian)
  5. Kostyuchenko A.G. Sotsial'no-ekonomicheskie predposylki provedeniya reformy v sfere zakupok tovarov, rabot, uslug dlya obespecheniya gosudarstvennykh i munitsipal'nykh nuzhd [Social and Economic Prerequisites for Carrying out Reforms in the Field of Purchase of Goods, Works, Services for Municipal and State Needs]. Biznes v zakone [Business in Law]. 2013, no. 5, pp. 198—201. (in Russian)
  6. Voroshilov V.P., Malkov A.V., Orlov G.I. Problemy deystvuyushchego zakonodatel'stva o goszakupkakh [Problems of Current Public Purchasing Law]. Rossiyskoe predprinimatel'stvo [Russian Business]. 2012, no. 21, pp. 24—30. (in Russian)
  7. Rasporyazhenie Pravitel'stva Rossiyskoy Federatsii ot 31 oktyabrya 2013 g. № 2019-r. O perechne tovarov, rabot, uslug, v sluchae osushchestvleniya zakupok kotorykh zakazchik obyazan provodit' auktsion v elektronnoy forme (elektronnyy auktsion) [Order of the Government of the Russian Federation No. 2019-r from October 31, 2013. On the List of Goods, Works and Services to be Purchased through Electronic Auction]. Available at: http://www.garant.ru/products/ipo/prime/doc/70394456. Date of access: 10.07.2014. (in Russian)
  8. Postanovlenie Gosstandarta RF ot 06.08.1993 № 17. Ob utverzhdenii obshcherossiyskogo klassifikatora vidov ekonomicheskoy deyatel'nosti, produktsii i uslug [Resolution of the State Committee of the Russian Federation for Standardization and Metrology from 06.08.1993 No. 17 «On the approval of the All-Russian Classifier of Types of Economic Activity, Products and Services»]. Available at: http://docs.cntd.ru/document/901763474. Date of access: 10.07.2014. (in Russian)
  9. Islenkova N.A. Administrativno-pravovoe regulirovanie razmeshcheniya gosudarstvennogo zakaza: razvitie i problemy [Administrative and Statutory Regulation of Government Procurement: Development and Problems]. Biznes v zakone. Korrupcionnaja sostavljajushhaja sfery gosudarstvennyh zakupok i jekonomicheskaja bezopasnost']. Biznes v zakone [Business in Law]. 2011, no. 2, pp. 174—177. (in Russian)
  10. Postanovlenie Pravitel'stva RF № 1085 ot 28.11.2013 g. Ob utverzhdenii pravil otsenki zayavok, okonchatel'nykh predlozheniy uchastnikov zakupki tovarov, rabot, uslug dlya obespecheniya gosudarstvennykh i munitsipal'nykh nuzhd [Resolution of the Government of the Russian Federation No. 1085 dated 28/11/2013 On Approval of the Rules for Evaluating Bids and Final Offers of the Participants of Procurement of Goods, Works and Services to Meet the State and Municipal Needs]. Available at: http://base.consultant.ru/cons/cgi/online.cgi?req=doc;base=LAW;n=155055. Date of access: 10.07.2014. (in Russian)
  11. Baltutite I.V. Uchet kvalifikatsii ispolniteley gosudarstvennykh i munitsipal'nykh kontraktov [Acknowledgement of Professional Skills of Government and Municipal Contract Providers]. Vestnik Volgogradskogo gosudarstvennogo universiteta. Seriya 5: Yurisprudentsiya [Proceedings of Volgograd State University. Series 5: Jurisprudence]. 2012, no. 1, pp. 183—191. (in Russian)

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INFORMATION SYSTEMS AND LOGISTICS IN CIVIL ENGINEERING

Statistical analysis of simulations of queuing system models with bunker storage and interval delay of the inception of service

  • Anufriev Dmitriy Petrovich - Astrakhan Institute of Civil Engineering (AISI) Candidate of Technical Sciences, Professor, Rector, Astrakhan Institute of Civil Engineering (AISI), 18 Tatishcheva st., Astrakhan, 414056, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Kholodov Artem Yur'evich - Astrakhan Institute of Civil Engineering (ACEI) Candidate of Technical Sciences, Associate Professor, Department of Physics and Mathematics, Astrakhan Institute of Civil Engineering (ACEI), 18 Tatishchev st., Astrakhan, 414056; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 197-211

The present work is concerned with statistical analysis of functional characteristics’ estimation of the outlet flow with the purpose to transfer to the analysis of multiphase series-connected queuing net, where a definite queuing system will be considered as a phase. The authors observe statistical methods of fitting criteria use in the process of parametric hypotheses check. The article presents a series of simulation experiments and statistical analysis aimed at to determining the parameter dependencies of the queuing system with storage hopper and interval delay in the beginning of service basing on the condition of identity types of incoming and outgoing flows of applications. On the basis of the expected incoming flow and servicer, the authors defined the method for calculating the maximum possible interval between the beginning of service system and effluent applications in relation to the type of exponential distribution. The study also developed a technique to obtain the parameters of the statistical null hypothesis using approximation approaches based on least squares method and the integral method.

DOI: 10.22227/1997-0935.2014.10.197-211

References
  1. Anufriev D.P., Kholodov A.Yu. Imitatsionnaya model' sistemy massovogo obsluzhivaniya s nakopitelem i interval'noy zaderzhkoy nachala obsluzhivaniya [Simulation Model of a Queuing System with Storage and Interval Delay of the Beginning of Service]. Perspektivy razvitiya stroitel'nogo kompleksa : materialy VII Mezhdunarodnoy nauchno-prakticheskoy konferentsii professorsko-prepodavatel'skogo sostava, molodykh uchenykh i studentov 28—31 oktyabrya 2013 goda [Prospects for the Development of the Building Complex: Materials of the 7th International Scientific-practical Conference of Academic Staff, Students and Young Scientists, October 28—31, 2013]. Edited by V.A. Gutman, A.L. Khachen'yan. Astrakhan, GAOU AO VPO «AISI» Publ., 2013, vol. 1, pp. 88—94. (in Russian)
  2. Anufriev D.P. Zhilishche kak element sotsial'no-ekonomicheskoy sistemy regiona: opyt prikladnogo issledovaniya [Housing as an Element of Regional Social and Economic System: the Experience of Applied Research]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2014, no. 2, pp. 187—195. (in Russian)
  3. Anufriev D.P. Matematicheskaya model' regional'nogo stroitel'nogo kompleksa [Мathematical Model of Regional Building Complex]. Astrakhan' — dom budushchego: Tezisy 2 Mezhdunarodnoy nauchno-prakticheskoy konferentsii [Astrakhan — Home of the Future. Proceedings of the 2nd International Scientific and Practical Conference]. Astrakhan, 2010, pp. 58—73. (in Russian)
  4. Kargapolova E.V., Aryasova A.Yu., Grechkina T.Yu., Lebedintseva L.A., Ubogovich Yu.I. Sotsiokul'turnyy portret Astrakhanskoy oblasti: opyt sotsiologicheskogo, ekonomicheskogo i politicheskogo analiza: monografiya [Social and Cultural Portrait of the Astrakhan Region: the Experience of Sociological, Economic and Political Analysis]. Volgograd, Volgogradskoe nauchnoe izdatel’stvo Publ., 2010, 307 p. (in Russian)
  5. Anufriev D.P. Upravlenie stroitel'nym kompleksom kak sotsial'no-ekonomicheskoy sistemoy: postanovka problemy [Managing the Building Complex as a Social and Economic System: Problem Statement]. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering]. 2012, no. 8, pp. 8—10. (in Russian)
  6. Konheim A.G., Reiser M. A Queueing Model with Finite Waiting Room and Blocking. J. Assoc. Comput. Mach. 1976, vol. 23, no. 2, pp. 328—341. DOI: http://dx.doi.org/10.1145/321941.321952.
  7. Kuehn P. Approximate Analysis of General Queuing Networks by Decomposition. IEEE Transact. on Communications. 1979, vol. 27, no. 1, pp. 113—126. DOI: http://dx.doi.org/10.1109/TCOM.1979.1094270.
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Modular decomposition of production and logistic processes in construction

  • Volkov Andrey Anatol’evich - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Technical Sciences, corresponding member of Russian Academy of Architectural and Construction Sciences, Professor, Department of Information Systems, Technologies and automation in Construction, Rector, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Petrova Svetlana Nikolaevna - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Assosiate Professor, Department of Information Systems, Technology and Automation in Civil Engineering, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Dubovkina Alla Viktorovna - Moscow State University of Civil Engineering (MGSU) postgraduate student, Assistant Lecturer, Department of Information Systems, Technologies and Automation in Construction, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 212-218

In the process of organizing the cooperation of participants of construction special attention should be paid to logistic connections, which formed in frames of planning, management and control of material, information and financial resources. Logistics in the construction is of integrated character and is carried out in frames of different modules cooperation. In the given article the authors consider the cooperation of organizations-participants of a big construction company, which includes enterprises and organizations - suppliers of materials and raw materials for construction industry, transport organizations and organizations performing construction and installation works. Modular decomposition of production and logistic construction processes is conducted. The authors suggest a solution for the problem of expedience of putting a construction object into operation with the help of cooperation organization of the participants basing on the normative document - industrial transport and technological modulus. It is planned to control of schedules and plans in such time scale, in which they are made, by means of "virtual enterprise".

DOI: 10.22227/1997-0935.2014.10.212-218

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  7. Volkov A.A. Kompleksnaya bezopasnost’ uslovno-abstraktnykh ob”ektov (zdaniy i sooruzheniy) v usloviyakh chrezvychaynykh situatsiy [Integrated Safety of Conditionally Abstract Objects (Buildings and Structures) in Emergency Situations]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2007, no. 3, pp. 30—35. (in Russian)
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PERSONALITIES. INFORMATION

Russian geologist I.V. Popov - a founder of the department of engineering geology of Moscow state university of civil engineering

  • Platov Nikolay Aleksandrovich - Moscow State University of Civil Engineering (MGSU) Candidate of Geologo-Mineralogical Sciences, Professor, Department of Engineering Geology and Geoecology, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 188-01-02; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Potapov Aleksandr Dmitrievich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Professor, Chair, Department of Engineering Geology and Geoecology, Moscow State University of Civil Engineering (MGSU), .
  • Lavrusevich Andrey Aleksandrovich - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Geologo-Mineralogical Sciences, Professor, Department of Engineering Geology and Geoecology, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 219-223

DOI: 10.22227/1997-0935.2014.10.219-223

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