Dynamic Analysis of Steel Tube and Concrete-Filled Steel Tube High-Limit Protection Racks under Impact Loads

Author:

Ju Ao Tian1,Qu Shu Ying1,Hou Xing Min1,Wang Jin Tian1

Affiliation:

1. Yantai University

Abstract

The purpose of high-limit protection rack under railway bridge is to protect railway bridge, and avoid passing vehicles under railway bridge colliding bridge. The paper discusses dynamic response and energy transfer of two different structures by analyzing the internal force, deformation, displacement and energy transfer of the steel tube and concrete-filled steel tube protection racks in collision. The result shows that the displacement of concrete-filled steel tube protection rack is smaller, and it can bear larger impact force and have good effect of energy absorption.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

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5. Hu Xiao, Qian Yongjiu, Duan Jingmin. Comparative study on the earthquake behavior of concrete filled steel tubular structures[J]. Sichuan Building Science, 2009, 35(1): 179-183.

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