Object

Title: Mechanical behavior of soil-steel structure subjected to live loads and different water conditions

Title execution:

Archives of Institute of Civil Engineering

Abstract:

The paper describes the analysis of a three-span soil-steel bridge along the road section crossing a dry anti-flood reservoir. The structure can be occasionally filled with water. The authors investigate internal forces and stresses in the shells due to live loads at different water conditions. Finite element simulations are carried out assuming elastic-plastic behavior of soil, elastic shell and nonlinear (frictional) contact zone. The analysis takes into account soil load history. In particular, the construction and operation of the bridge under quasi-static live loads is considered. The construction stage includes laying and compaction of the backfill. Then, the bridge in operation is investigated at three different water conditions: normal use (dry reservoir), maximum water level (flood) and lowering of the water level in the reservoir. The results show that during the flood the maximum stress in the shell significantly increases. Moreover, some of non-linear effects, typical in such structures, e.g. hysteretic effect, become more evident in comparison to normal use of the bridge.

Publisher:

Publishing House of Poznan University of Technology

Place of publication:

Poznań

Identifier:

oai:repozytorium.put.poznan.pl:438000

ISBN/ISSN:

1897-4007

DOI:

10.21008/j.1897-4007.2017.23.16

Language:

eng ; pol

Relation:

Politechnika Poznańska ; Wydział Budownictwa i Inżynierii Środowiska ; Strona czasopisma

Rights Management:

Politechnika Poznańska

Format:

pp. 163-174

Rights:

wszystkie prawa zastrzeżone

Access rights:

dla wszystkich w zakresie dozwolonego użytku

Rights holder:

Politechnika Poznańska

Digital object format:

application/pdf

Object collections:

Last modified:

Apr 4, 2018

In our library since:

Apr 4, 2018

Number of object content hits:

26

Number of object content views in PDF format

12

All available object's versions:

http://repozytorium.put.poznan.pl/publication/530027

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