Dong R,Jing L P,Shan Z D,Li Y D. 2022. Numerical simulation of coupling failure between subway station and cross bridge. Acta Seismologica Sinica44(1):50−59. DOI: 10.11939/jass.20210078
Citation: Dong R,Jing L P,Shan Z D,Li Y D. 2022. Numerical simulation of coupling failure between subway station and cross bridge. Acta Seismologica Sinica44(1):50−59. DOI: 10.11939/jass.20210078

Numerical simulation of coupling failure between subway station and cross bridge

More Information
  • Received Date: May 21, 2021
  • Revised Date: July 12, 2021
  • Available Online: January 17, 2022
  • Published Date: March 17, 2022
  • In this paper, a typical two-story and three-span subway station is taken as the research object. The nonlinear dynamic time-history analysis method is adopted to conduct numerical simulation analysis on the model of the subway station and the upper bridge on soft site. A potential coupling failure mode of subway station and bridge is presented. The seismic interaction between the subway station and the upper bridge is studied. Numerical simulation results show that: the bridge has a little effect on the seismic response of the station, and the damage of the station mainly depends on the earthquake action and structure strength; the destruction of the subway station will cause a large horizontal and vertical deformation of the soil in adjacent areas, resulting in the bridge beam fall; after the destruction of the station, the bridge foundation makes the soil move towards the station, which aggravates the earthquake damage of subway station.
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