Roads and Bridges - Drogi i Mosty
17, 3, 2018, 215-226

Tests and calculations of structural element of temporary bridges

Aleksandr Ganyukov Mail
Karaganda State Technical University, 56 Mira Boulevard, Karaganda, 100000, Kazakhstan
Adil Kadyrov Mail
Karaganda State Technical University, 56 Mira Boulevard, Karaganda, 100000, Kazakhstan
Kyrmyzy Balabekova Mail
Karaganda State Technical University, 56 Mira Boulevard, Karaganda, 100000, Kazakhstan
Bakyt Kurmasheva Mail
Karaganda State Technical University, 56 Mira Boulevard, Karaganda, 100000, Kazakhstan
Published: 2018-09-30

Abstract

The new concept of mobile temporary bridge overcrossing intended for a reduction of traffic jams is presented in the paper. After discussing the bridge structure details, the optimum length of the module of the bridge overcrossing is determined and then calculation of the orthotropic plate of the bridge carriageway and its supporting structure are presented. In the calculations elements of the mathematical analysis, method of finite elements FEM and method of finite differences FDM as well as analytical displacement method were applied. Reliability of results is confirmed by coincidence of deflections obtained by both, FEM and FDM, methods. The solution matrix of the FDM obtained in this work allows to calculate any plate with wide variety of its geometrical dimensions, and also for different parameters of the plate and reinforcing elements flexural stiffnesses. The analysis of the bridge overcrossing spatial frame is performed by precise method of displacement taking into account the bending and torsion of its elements.

Keywords


displacement method, method of finite elements FEM, mobile overcrossing, orthotropic plate, traffic jam.

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Tests and calculations of structural element of temporary bridges

  
Ganyukov, Aleksandr et al. Tests and calculations of structural element of temporary bridges. Roads and Bridges - Drogi i Mosty, [S.l.], v. 17, n. 3, p. 215-226, sep. 2018. ISSN 2449-769X. Available at: <>. Date accessed: 19 Nov. 2018. doi:http://dx.doi.org/10.7409/rabdim.018.014.