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With the proposal of the low-carbon travel transportation, the subway has become the first choice for most urban residents. If it is affected by earthquakes, it will cause irreparable and significant losses. This study utilizes a three-dimensional finite element model developed in ANSYS to investigate the dynamic response of the lining of orthogonal tunnels in Chongqing's metro line 4 interval tunnel under the influence of an intensity VIII earthquake. By analysing the deformation results at various time intervals and locations, along with actual earthquake measurements, reasonable spacing and hazard site determinations for the orthogonal tunnels are obtained.

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Sustainable Development of Urban Subway Tunnels Using Seismic Waves

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年

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  • Tong Yao,
  • Xiao Luo,
  • Chen Yang

摘要

With the proposal of the low-carbon travel transportation, the subway has become the first choice for most urban residents. If it is affected by earthquakes, it will cause irreparable and significant losses. This study utilizes a three-dimensional finite element model developed in ANSYS to investigate the dynamic response of the lining of orthogonal tunnels in Chongqing's metro line 4 interval tunnel under the influence of an intensity VIII earthquake. By analysing the deformation results at various time intervals and locations, along with actual earthquake measurements, reasonable spacing and hazard site determinations for the orthogonal tunnels are obtained.