Articles | Volume 382
Pre-conference publication
22 Apr 2020
Pre-conference publication |  | 22 Apr 2020

Numerical simulation of land subsidence caused by subway train vibration using PFC

Jianxiu Wang, Yansheng Deng, Na Xu, Tianliang Yang, Xuexin Yan, Hanmei Wang, Xinlei Huang, Xiaotian Liu, and Xiangjun Pei


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Short summary
In Shanghai, China, land subsidence is distributed along the belt near a subway line. In order to figure out the mechanical response of the tunnel surroundings, the PFC2D software based on a discrete element method is introduced to simulate the section of the metro tunnel. The linear contact bond model was employed to reflect the characteristics of clay. The mechanical response law and subsidence mechanism were investigated.