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DOI: 10.15862/14TS417 (https://doi.org/10.15862/14TS417)

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Ovchinnikov I.G., Ovchinnikov I.I., Maystrenko I.Y., Kokodeev A.V. [Failures and collapses of bridge constructions, analysis of their causes. Part 2] Russian Journal of Transport Engineering, 2017, Vol. 4, No. 4. Available at: https://t-s.today/PDF/14TS417.pdf (in Russian). DOI: 10.15862/14TS417

Failures and collapses of bridge constructions, analysis of their causes. Part 2

Ovchinnikov Igor Georgievich
Perm national research polytechnic university, Russia, Perm
Yuri Gagarin state technical university of Saratov, Russia, Saratov
National research nuclear university «MEPhI»
Balakovo institute of engineering and technology (branch), Russia, Balakovo
E-mail: bridgesar@mail.ru

Ovchinnikov Ilya Igorevich
Yuri Gagarin state technical university of Saratov, Russia, Saratov
E-mail: bridgeart@mail.ru

Maystrenko Igor Yurievich
Kazan state university of architecture and engineering, Russia, Kazan
E-mail: igor_maystr@mail.ru

Kokodeev Artemii Vitalyevich
Yuri Gagarin state technical university of Saratov, Russia, Saratov
E-mail: artemkokodeev@gmail.com

Abstract. In the article it is noted that a significant number of failures and collapses has progressive nature, but in Russia problems of progressive collapse are still investigated only in relation to buildings and constructions of industrial and civil purposes, but progressive bridge collapses are mostly not considered. References to foreign publications about analysis of bridge constructions progressive collapse are given.

It is indicated that CP 35.13330.2011 contains the requirement to prevent progressive bridge collapses, but there is no explanation about how to perform this requirement in relation to bridges. Then five theses of progressive collapse by Perelmuter A. V. are given: 1) possibility of local failures of structural system should be considered; full protection of them is impossible; 2) the most dangerous possible consequence is chain development of collapses (The Domino Effect); 3) analysis of origin of emergency situation extends designer’s capabilities; 4) many of their original processes are associated with dynamic effects; 5) if chain development process is inevitable, the primary goal is localization and management of consequences.

In the subsequent part of the article there are examples of bridge construction collapses caused by overload of bearing structures, by occurrence of resonance and material fatigue, as a result of material degradation and adverse impact of exploitation environment.

Keywords: bridge; transport constructions; failure; bridge collapse; bridge structures collapse; maintenance safety; examples of bridges failures; progressive bridges collapse

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