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

TO A QUESTION OF STATIC AND DYNAMIC DIMENSIONS OF PEDESTRIANS OF VARIOUS GROUPS OF MOBILITY

Vestnik MGSU 4/2016
  • Samoshin Dmitriy Aleksandrovich - State Fire Academy of Emercom of Russia (SFA of Emercom of Russia) Candidate of Technical Sciences, Associate Professor, Department of Fire Safety in Construction, Associated Professor, Department of Fire Safety in Construction, State Fire Academy of Emercom of Russia (SFA of Emercom of Russia), 4 Borisa Galushkina str., Moscow, 129366, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Slyusarev Sergey Vyacheslavovich - State Fire Academy of Emercom of Russia (SFA of Emercom of Russia) postgraduate student, Department of Fire Safety in Construction, Associated Professor, Department of Fire Safety in Construction, State Fire Academy of Emercom of Russia (SFA of Emercom of Russia), 4 Borisa Galushkina str., Moscow, 129366, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 84-93

The speed of the human flow depends on its density. The free space in this flow depends not only on the number of people, but also on the area occupied by each of the people. The important parameter required for calculation of evacuation probability is the projected area of a human. The authors took ellipse as a shape of horizontal projected area of a human. The necessity of the dimensions for fire practice was first formulated in 1951. However, this was static dimensions. For evacuation software modeling the dynamic dimensions might be more appropriate. The paper discusses the experiments aimed to obtain static and dynamic dimensions of the pedestrians of various mobility groups. The obtained data should be used to increase the accuracy of evacuation process modeling and to rationing the escape routes and the sizes of exits.

DOI: 10.22227/1997-0935.2016.4.84-93

References
  1. Belyaev S.V. Evakuatsiya zdaniy massovogo naznacheniya [Evacuation of the Buildings of Mass Appointment]. Moscow, Izdatel’stvo Vsesoyuznoy akademii arkhitektury Publ., 1938, 70 p. (In Russian)
  2. Milinskiy A.I. Issledovanie protsessa evakuatsii zdaniy massovogo naznacheniya: diss. … kand. tekhn. nauk [Research of the Evacuation Processes of Buildings of Mass Appointment: Dissertation of the Candidate of Technical Sciences]. Moscow, 1951, 178 p. (In Russian)
  3. Grigor’yants R.G. Issledovanie dvizheniya dlitel’no sushchestvuyushchikh lyudskikh potokov : diss. … kand. tekhn. nauk [Research of the Movement of Long Existing Human Flows]. Moscow, 1971, 195 p. (In Russian)
  4. Stepanov V.K. Arkhitekturnaya sreda obitaniya invalidov i prestarelykh [Architectural Habitat of the Disabled and the Elderly]. Moscow, Stroyizdat Publ., 1989, 604 p. (In Russian)
  5. Ob utverzhdenii metodiki opredeleniya raschetnykh velichin pozharnogo riska v zdaniyakh, sooruzheniyakh i stroeniyakh razlichnykh klassov funktsional’noy pozharnoy opasnosti :Prikaz MChS Rossii ot 30.06.2009 № 382 (v red. ot 02.12.2015) [Order of the Ministry of the Russian Federation for Civil Defense, Emergency Management and Natural Disasters Response from 30.06.2009 no. 382 (edited 02.12.2015). On the Approval of a Determination Technique of the Predicated Rate of Fire Risk in Buildings, Constructions and Structures of Various Functional Fire Hazard Class]. (In Russian)
  6. SP 59.13330.2012. Dostupnost’ zdaniy dlya malomobil’nykh grupp naseleniya (Aktualizirovannaya redaktsiya SNiP 35-01—2001) [Requirements SP 59.13330.2012 (updated edition of SNiP 35-01—2001). Accessibility of Buildings and Structures for Persons with Disabilities and Persons with Reduced Mobility]. Moscow, 2011, 58 p. (In Russian)
  7. Piir R.M. Issledovanie peshekhodnogo dvizheniya na ulitsakh tsentral’nykh rayonov krupnykh gorodov : avtoref. diss…kand. tekhn. nauk [Researches of the Pedestrian Movement on the Streets of the Central Districts of Big Cities]. Leningrad, 1971, 29 p. (In Russian)
  8. Fruin J.J. Pedestrian Planning and Design. Elevator World, 1971, 206 p.
  9. Pauls J. Evacuation and Other Movement in Buildings: Some High-Rise Evacuation Models, General Pedestrian Movement Models and Human Performance Data Needs. Second International Conference in Pedestrian and Evacuation Dynamics (PED). 20—22 August 2003, London, The University of Greenwich.
  10. SP 35-101—2001. Proektirovanie zdaniy i sooruzheniy s uchetom dostupnosti dlya malomobil’nykh grupp naseleniya. Obshchie polozheniya [Requirements SP 35-101—2001. Designing of Buildings and Structures Taking Into Account Accessibility for People with Limited Mobility. General Provisions]. Moscow, 2001, 69 p. (In Russian)
  11. Samoshin D.A., Slyusarev S.V. Osobennosti individual’nogo dvizheniya lyudey razlichnoy mobil’nosti v obshchem potoke evakuiruemykh iz zdaniya pri pozhare [Personal Features of Movement of People with Different Mobility in the General Flow of Evacuees out of a Building During Fire]. Tekhnologii tekhnosfernoy bezopasnosti [Technology of Technosphere Safety]. 2015, no. 3 (61), pp. 121—132. Available at: http://agps-2006.narod.ru/ttb/2015-3/43-03-15.ttb.pdf. Date of access: 20.01.2016. (In Russian)

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Problems of the coordination of responsibility for maintenance of fire safety Buildings in the conditions of self-regulation

Vestnik MGSU 1/2012
  • Astafiev Sergey Aleksandrovich - Baikal National University of Economics and Low Cand. Econ. Sci., Associate Professor, Doctoral candidate, Associate Professor of Economy and Management of Investments and the Real estate Department +7-(3952)-24-28-04, +7(3952) 24-10-57, Baikal National University of Economics and Low, of. 805-3, Lenin st., Irkutsk, 664003; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 113 - 118

In article problems of maintenance of fire safety of buildings in the conditions of transition of control functions behind quality of civil work to the self-regulation organizations are considered. Recommendations about overcoming of arising problems are given.

DOI: 10.22227/1997-0935.2012.1.113 - 118

References
  1. Brushlinskij N.N, Sokolov S.V. O statistike pozharov i pozharnyh riskah [About statistics of fires and fire risks] Pozharovzrihvobezopasnostj [Fire and explosion Safety], 2011, vol. 20, ¹ 4, Pp. 41—44.
  2. Mirovaja pozharnaja statistika. Otchet ¹ 13 [World fire statistics. The report 13]. National committees CTIF of Russia, Germany, USA, 2008, P. 33.
  3. Pozhary i pozharnaja bezopasnost' v 2009 g. [Fires and fire safety in 2009: the statistical collection], under general edition N. P. Kopylov's, VNIIPO, 2010.
  4. Tehnicheskij reglament o trebovanijah pozharnoj bezopasnosti : Feder. zakon Ros. Federacii ot 22 ijulja 2008 g. ¹ 123-FZ : prinjat Gos. Dumoj 4 ijulja 2008 g. : odobr. Sovetom Federacii Feder. Sobr. Ros. Federacii 11 ijulja 2008 g. [The technical rules about requirements of fire safety: federal law of Russian Federations from July, 22nd, 2008 123-FZ: it is accepted by the State Duma on July, 4th, 2008: It is approved by Council of Federation of Federal Assembly Russian Federation on July, 11th, 2008]. FGU VNIIPO, 2008, 157 p.
  5. Mirovaja pozharnaja statistika. Otchet ¹ 10 [World fire statistics. The report 10]. National committees CTIF of Russia, Germany, USA, 2005, P. 23.
  6. Kholthevnikov V.V., Samoshin D.A., Belosohov I.R, Istratov R.N., Kudrin I.S., Parfenenko A.P. Paradoksy normirovanija obespechenija bezopasnosti ljudej pri jevakuacii iz zdanij i puti ih ustranenija [Paradoxes of normalization of a safety of people at evacuation from buildings and a way of their elimination]. Pozharovzrihvobezopasnostj [Fire and explosion Safety] 2011, vol. 20, ¹ 3, P. 43.

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Warehouse premises and tank farms fire safety problem

Vestnik MGSU 10/2018 Volume 13
  • Anisimov Mikhail A - University of Maryland Distinguished University Professor, University of Maryland, College Park, MD 20742, USA.
  • Degaev Evgeniy N. - Moscow State University of Civil Engineering (National Research University) (MGSU) Associate Professor, Department of housing and communal complex, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.

Pages 1243-1250

Introduction. Presented the approach to studying impact of foaming agent process solution shelf life on the surface activity and fire-extinguishing efficiency of foams. One of the most important problems in construction is to ensure fire safety of construction objects. Fires arising at industrial facilities and construction sites are always catastrophic, both for the economy and for the environment. Storage facilities and tanks in which various types of materials and substances, often toxic and fire-hazardous, can be stored are of particular danger. Addresses the problem of oil product warehouse premises and tank farms fire safety using foam extinguishing system. The problem consists in reduction of foaming agent concentration in the process solution during long-term storage. Concentration reduction is expressed in a surface activity decrease and in violation of spreading coefficient structure, namely, by an increase in surface and interfacial tension. Consequently, the use of foaming agent process solution for extinguishing fire at oil product warehouse premises and tank farms that is not capable of providing required foam expansion ratio and spreading coefficient for successful subsurface suppression of oil products flame. Materials and methods. Four brands of fluorinated foaming agents are tested according to the methods described in GOST R 50588-2012 “Foaming agents for fire extinguishing. General technical requirements and testing methods” and GOST R 53280.2-2010 “Automatic fire extinguishing units. Fire extinguishing agents. Part 2. Foaming agents for subsurface suppression of oil and oil products fires in tanks. General technical requirements and testing methods”. Results. The studies have shown that foam quality determining fire extinguishing capacity of foam extinguishing system changes over foaming agent process solution shelf life and depends on spreading coefficient structure, which is characterized by surface and interfacial tension values for foaming agent process solution. Conclusions. The process solutions made from modern (biologically soft) fluorinated foaming agents decrease in their surface activity over time and become unsuitable for oil products subsurface suppression. To maintain efficiency of the foam extinguishing system used to ensure fire safety of oil product warehouse premises and tank farms, age of the process solution in the circulating pipeline system should not exceed one day.

DOI: 10.22227/1997-0935.2018.10.1243-1250

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