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ENGINEERING RESEARCH AND EXAMINATION OF BUILDINGS. SPECIAL-PURPOSE CONSTRUCTION

Complex survey of the bridge over the structures of hydroelectric facility Ivankovo near Dubna(dam 21, power station 191)

Vestnik MGSU 11/2013
  • Mikhaylova Larisa Ivanovna - Moscow State University of Civil Engineering (MGSU) Leading engineer, laboratory of Inspection and Reconstruction of Buildings and Structures, Department of Testing of 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 .
  • Kunin Yuriy Saulovich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Professor, Chair, Department of Testing of Structures; +7 (495) 287-49-14, ext. 1331, 1150., 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 .
  • Kotov Vyacheslav Ivanovich - Moscow State University of Civil Engineering (MGSU) Director, Laboratory of Examination and Testing of Structures at Department of Testing of Structures; +7 (495) 287-49-14, ext. 1331, 1150., 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 123-131

The article describes the results of a comprehensive survey of the bridge structure in Dubna. The survey was performed to determine the load capacity and maintainability of the bridge structures for the period prior to the repair, as well as to collect the information necessary to update the draft decision and the right strategy of major repairs. The growing needs of the city Dubna, which several times increased the operational loading of the bridge structures, and no major repairs since the construction, led to the need of restricting the traffic capacity of the only transportation artery. By the time of the survey in November 2011, contraflow over the bridge and the restricted traffic of more than 8 t was organized, which resulted in tense atmosphere in the city.The authors studied the historical data and design features of the supporting structures of the bridge. Particular attention was paid to the state of load-bearing structures of the bridge and their deformability. The strength characteristics were studied. The authors analyzed the results of calculations in order to determine the carrying capacity of the bridge structures with the test loads. It turned out that the carrying capacity of the bridge is sufficient for load accommodation. However, in accordance with the regulations, the bridge does not meet modern requirements for the travel width. It was recommended to maintain contraflow and to provide operational loads of the class H-10 (i.e. platoons with GVW of 10 t and the presence of a single vehicle in a platoon with GVW of 13 t) until the major repairs. After major repairs with restoration of bearings, waterproofing, water disposal system, replacing the bed, repair of the protective layer, it will be possible for single vehicles weighing up to 25 t to pass over the bridge.

DOI: 10.22227/1997-0935.2013.11.123-131

References
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  3. Kunin Yu.S., Kotov V.I., Mikhaylova L.I. Obsledovanie avtodorozhnogo mosta cherez plotinu ¹ 21 i Ivan'kovskuyu GES ¹191 po adresu Moskovskaya oblast', g. Dubna: nauchno-tekhnicheskoe zaklyuchenie [Complex Survey of the Road Bridge over the Dam ¹ 21 and Hydropower Unit of Ivankovo at Address Moscow Region, Dubna city: Scientific and Technological Opinions]. Moscow, 2011, p. 7.
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  6. Sakhnovskiy K.V. Zhelezobetonnye konstruktsii [Reinforced Concrete Structures]. Moscow, 1951, 839 p.
  7. Evgrafov K.G. Primenenie metoda rascheta konstruktsiy mostov po predel'nym sostoyaniyam [Application of the Method of Limit States in Bridge Design]. Materialy mezhdunarodnogo soveshchaniya po raschetu stroitel'nykh konstruktsiy [Works of the International Conference on Building Structures Calculation]. Moscow, Gosstoyizdat Publ., 1961, p. 153.
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