Volume 37 Issue 3
Jun.  2023
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Ma Qingxun, Zhang Xintao, Liu Yunxia. Influence of Foundation Pit Excavation and Building Loading on Nearby Subway Tunnel[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2023, 37(3): 342-347. doi: 10.3969/j.issn.1007-2993.2023.03.014
Citation: Ma Qingxun, Zhang Xintao, Liu Yunxia. Influence of Foundation Pit Excavation and Building Loading on Nearby Subway Tunnel[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2023, 37(3): 342-347. doi: 10.3969/j.issn.1007-2993.2023.03.014
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Influence of Foundation Pit Excavation and Building Loading on Nearby Subway Tunnel

doi: 10.3969/j.issn.1007-2993.2023.03.014

  • BGI Engineering Consultants Ltd., Beijing 100038, China

  • Received Date: 2022-05-11
  • Accepted Date: 2022-12-09
  • Rev Recd Date: 2022-08-06
    • Available Online: 2023-08-08
  • Publish Date: 2023-06-08
    Abstract
  • Taking the project in the Tongzhou Canal Core area of Beijing as an example, the major impacts of deep and large foundation pit excavation, complex groundwater environment and super-high-rise building loading on the adjacent subway were analyzed, and concrete reinforcement measures and construction suggestions for the adjacent subway construction project were provided. The combined technique of numerical calculation and SFIA was used to analyze the subway deformation caused by upper structure loading, and compared with long-term settlement data. The engineering practice and monitoring results show that the reinforcement measures and construction suggestions can effectively control the influence of the project construction on the adjacent subway tunnel, the combined analysis technique of numerical calculation and SFIA can accurately and effectively predict the ground settlement and deformation, which could provide reference for similar projects.

     

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