Volume 40 Issue 2
Apr.  2026
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WANG Ziqi, CAI Jihua, XU Jun. Analysis of time-varying evolution and environmental impact on combined deep excavation support structures based on multi-source monitoring[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2026, 40(2): 193-201. doi: 10.20265/j.cnki.issn.1007-2993.2025-0214
Citation: WANG Ziqi, CAI Jihua, XU Jun. Analysis of time-varying evolution and environmental impact on combined deep excavation support structures based on multi-source monitoring[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2026, 40(2): 193-201. doi: 10.20265/j.cnki.issn.1007-2993.2025-0214
shu

Analysis of time-varying evolution and environmental impact on combined deep excavation support structures based on multi-source monitoring

doi: 10.20265/j.cnki.issn.1007-2993.2025-0214
  • 1.

    Faculty of Engineering, China University of Geosciences (Wuhan), Wuhan 430074, Hubei, China

  • 2.

    Hubei Institute of Urban Geological Engineering, Wuhan 430050, Hubei, China

  • Received Date: 2025-05-16
  • Accepted Date: 2025-11-11
  • Rev Recd Date: 2025-09-28
    • Available Online: 2026-04-09
  • Publish Date: 2026-04-09
    Abstract
  • Deep foundation pit projects near rivers are confronted with multiple challenges such as soft soil, high confined water, and sensitive environments. Therefore, it is of great significance to study their deformation laws. Currently, the exploration of the internal relationship and evolutionary laws between dynamic construction activities and foundation pit deformation responses is still insufficient. Taking a deep foundation pit project near the Yangtze River in Wuhan as an example, this study conducts a time-varying correlation analysis between construction nodes and multi-source monitoring data, including the horizontal displacements around and at depth of the foundation pit, the axial forces of supports, and the surrounding settlements. The analysis results are verified by numerical simulation methods. It is revealed that the dynamic construction process directly affects the magnitude and shape of foundation pit deformation by adjusting the equivalent stiffness of the supporting structure. The research results can provide a technical basis for the optimization of the supporting design of deep foundation pits near rivers and the dynamic early warning of construction risks.

     

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