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DOI: 10.15862/03TS215 (https://doi.org/10.15862/03TS215)

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Ovchinnikov I.I., Ovchinnikov I.G., Valiev Sh.N., Zarudny A.I. [Suitability evaluation of the used metal pipes in the capacity of pylons of a pedestrian bridge across the river Belaya. Part 2: Design analysis of stress-strain state of pylon legs resistant to the action of the design loads] Russian Journal of Transport Engineering, 2015, Vol. 2, No. 2. Available at: https://t-s.today/PDF/03TS215.pdf (in Russian). DOI: 10.15862/03TS215

Suitability evaluation of the used metal pipes in the capacity of pylons of a pedestrian bridge across the river Belaya. Part 2: Design analysis of stress-strain state of pylon legs resistant to the action of the design loads

Ovchinnikov Ilya Igorevich
Yuri Gagarin State Technical University of Saratov, Russia, Saratov
Moscow state automobile & Road technical university
Sochi branch, Russia, Sochi
E-mail: bridgeart@mail.ru

Ovchinnikov Igor Georgievich
Penza State University of Architecture and Construction, Russia, Penza
Yuri Gagarin State Technical University of Saratov, Russia, Saratov
Perm national research polytechnic university, Russia, Perm
E-mail: bridgesar@mail.ru

Valiev Sherali Nazaralievich
The Moscow automobile and road construction state technical university, Russia, Moscow
E-mail: Mosti.madi@mail.ru

Zarudny Andrey Igorevich
Institute «Proektmostorekonstruktsiya», Russia, Saratov
E-mail: diamond@bridge-pmr.ru

Abstract. Whereas it is necessary to continue construction of a pedestrian bridge, for which the foundations and pylons made of the used pipes were built, the engineers were confronted with a problem of suitability evaluation of these pylons for further use with due account for their service state and the intended bridgework gravity loads as well as other design loads. The first part of paper presents the results of visual and instrumental inspection of the current state of pylon legs of the pedestrian suspension bridge and plotted design diagrams of a pedestrian bridge with pylons made of the used pipes. This paper familiarizes with the calculation results of the pedestrian bridge on an action of different combinations of loads. There were obtained the values of maximum stresses in cross sections of the pylon legs made of the used pipes, as well as those of displacements of the pylon leg top ends. It is shown that the maximum stresses and displacements under an action of the various combinations of loads do not exceed the limit values. Consequently, operation of the pylon legs made of the used pipes is feasible. To guarantee the long-lasting operation of the pylons, it is recommended to provide the effective anticorrosion protection.

Keywords: pedestrian bridge; pylons; used pipes; inspection of bridge; plotting of design diagram; design analysis

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