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| DYNAMIC RESPONSE ANALYSIS OF LINING STRUCTURE FOR TUNNEL UNDER VIBRATION LOADS OF TRAIN |
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Abstract A theory of dynamic FEM and a numerical method for the lining structure of tunnels are put forward. Based on in-situ measurement results of vibration loads for the train running on the Zhuting tunnel of Beijing—Guangzhou Line，the dynamic response characteristics for three types of tunnels with different cross-sections are investigated. And then，the distributing characteristics of the vertical displacements and internal forces are obtained for the lining structures of three types of tunnels. The research results have important denotation not only for the dynamic stability evaluation of tunnel structures for speeded railway but also for the tunnel design and construction of railway.
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Received: 23 May 2005
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CHEN Weizhong1*, LIU Xinyu1, 2, YANG Jianping1, WANG Wei1, 2, ZANG Zhonghai3, DING Hongyuan3, ZHANG Zheyuan3, WANG Xiaogang3, SHI Zhengrong1. Development of a large-scale 3D physical model test system for underground energy storage caverns and its model experimental study[J]. , 2026, 45(6): 1615-1628. |
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