Volume 37 Issue 4
Aug.  2023
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Liu Dingqing, Xie Wo, Jia Yanling. Highway Tunnel Vertical Filling Type Cave Roof Caving and the Treatment of Catastrophic Impact Factor Analysis[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2023, 37(4): 422-427. doi: 10.3969/j.issn.1007-2993.2023.04.008
Citation: Liu Dingqing, Xie Wo, Jia Yanling. Highway Tunnel Vertical Filling Type Cave Roof Caving and the Treatment of Catastrophic Impact Factor Analysis[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2023, 37(4): 422-427. doi: 10.3969/j.issn.1007-2993.2023.04.008
shu

Highway Tunnel Vertical Filling Type Cave Roof Caving and the Treatment of Catastrophic Impact Factor Analysis

doi: 10.3969/j.issn.1007-2993.2023.04.008
  • 1.

    Guangxi Zhuang Autonomous Region Expressway Development Center, Nanning 530007, Guangxi, China

  • 2.

    Guangxi Zhuang Autonomous Region Highway Tunnel Safety Early Warning Engineering Research Center, Nanning 530007, Guangxi, China

  • 3.

    Guangxi Transportation Science And Technology Group Co., Ltd., Nanning 530007, Guangxi, China

  • Received Date: 2022-06-23
  • Accepted Date: 2023-03-02
  • Rev Recd Date: 2022-09-07
  • Publish Date: 2023-08-08
    Abstract
  • Based on a highway tunnel in the area in guangxi karst cave roof collapse case, according to the treatment design of karst disaster, the finite element software was used to simulate the treatment effect, and the deformation law of the vertical developed filling cave with tunnel crossing was obtained. On this basis, in order to prove the effectiveness and rationality of the disaster treatment scheme design, the three major disaster control factors of pipe shed support, initial support thickness and geological characteristics were studied by using the control variable method, and the influence of each factor on the stability of the tunnel structure was analyzed. The engineering treatment effect, model calculation result and monitoring measurement result prove that the design of disaster treatment scheme is reasonable, safe and reliable. The relevant research results have certain reference significance for the design and construction of similar karst tunnel engineering.

     

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