Volume 38 Issue 3
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Hu Jisong. Design and Calculation of Plane Stability of Concrete Support for Foundation Pit[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2024, 38(3): 279-286. doi: 10.3969/j.issn.1007-2993.2024.03.004
Citation: Hu Jisong. Design and Calculation of Plane Stability of Concrete Support for Foundation Pit[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2024, 38(3): 279-286. doi: 10.3969/j.issn.1007-2993.2024.03.004
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Design and Calculation of Plane Stability of Concrete Support for Foundation Pit

doi: 10.3969/j.issn.1007-2993.2024.03.004

  • Guangdong Guanji Geotechnical Engineering Co., Ltd., Guangzhou 510640, Guangdong, China

  • Received Date: 2023-05-11
  • Accepted Date: 2023-11-08
  • Rev Recd Date: 2023-08-09
  • Publish Date: 2024-06-12
    Abstract
  • Regulations concerning foundation pits often lack specific provisions regarding the calculation length factor within the plane of pit supports, commonly assuming a value of 1.0. Through an analysis of the planar stability of foundation pit concrete supports it is evident that the stability within the support plane, arranged as a framework, cannot be overlooked and constitutes a primary controlling factor for support-bearing capacity, implying a calculation length factor greater than 1. Drawing from the theory of stable buckling, a simple and applicable length calculation coefficient formula is proposed, along with key measures to improve support stability.

     

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