Vehicle-bridge interaction analysis of heavy load railway

被引：14

作者：

Zhang, Nan ^{[1
]}

Xia, He ^{[1
]}

Guo, Weiwei ^{[1
]}

Zhan, Jiawang ^{[1
]}

Yao, Jinbao ^{[1
]}

Cao, Yanmei ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Sch Civil Engn, Beijing 100044, Peoples R China

来源：

ISAB-2010 - FIRST INTERNATIONAL SYMPOSIUM ON ARCHIMEDES BRIDGE | 2010年 / 4卷

关键词：

vehicle-bridge interaction system; heavy load railway; high pier bridge; continuous frame bridge;

D O I：

10.1016/j.proeng.2010.08.040

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

An inter-system iteration solution for the vehicle-bridge coupling model is studied, in which the iteration within time step is avoided. The solution consists of two steps. At the first step, the bridge subsystem is assumed rigid, the vehicle motion and wheel-rail force are solved by the independent vehicle subsystem, and the bridge motion is obtained by putting the wheel-rail force to the independent bridge subsystem. At the second step, the vehicle motion and the wheel-rail force are modified by the calculated bridge motion. As a case, the calculation process and the results of 30t heavy load cargo train traversing a 70+3x120+70m continuous frame bridge are studied, and the numerical calculation technology for solving the interacted system and its convergence characteristics is discussed. (C) 2010 Published by Elsevier Ltd.

引用

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页码：347 / 354

页数：8

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