Vibration analysis of medium and small span bridges
subjected to mixed marshalling freight trains

doi:10.1007/s11709-008-0019-5

Frontiers of Architecture and Civil Engineering in China - Selected Publications from Chinese Universities

2008, Vol. 2

Issue (2): 133-138 https://doi.org/10.1007/s11709-008-0019-5

本期目录

Vibration analysis of medium and small span bridges subjected to mixed marshalling freight trains

LI Qi, WU Dingjun, HUANG Xiaobin

Department of Bridge Engineering, Tongji University;

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Abstract：It has been reported several times that train derailment occurs when mixed marshalling freight trains traverse bridges at high speeds in China. This study aims to explain this phenomenon numerically based on the train-bridge coupling vibration theory and its associated computer program. The train-bridge vibration characteristic is analyzed by a computer program when mixed marshalling freight trains traverse 32-meter-span prestressed concrete simple beam bridges. The mechanism that dynamic responses of the bridges are prominent and that empty trains are inclined to derail are derived from the dynamic responses analysis. The analysis indicates that the significant differences of axle loads between heavy vehicles and empty vehicles produce periodic forced loadings of large amplitudes. These periodic loadings cause severe vibration of bridges. In turn, severe vibration of the bridges produces intensive counteraction to empty vehicles.

出版日期: 2008-06-05

引用本文:

. Vibration analysis of medium and small span bridges subjected to mixed marshalling freight trains[J]. Frontiers of Architecture and Civil Engineering in China - Selected Publications from Chinese Universities, 2008, 2(2): 133-138.
LI Qi, WU Dingjun, HUANG Xiaobin. Vibration analysis of medium and small span bridges subjected to mixed marshalling freight trains. Front. Struct. Civ. Eng., 2008, 2(2): 133-138.

链接本文:

https://academic.hep.com.cn/fsce/CN/10.1007/s11709-008-0019-5
https://academic.hep.com.cn/fsce/CN/Y2008/V2/I2/133

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