Volume 37 Issue 2
Apr.  2023
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Article Navigation >  GEOTECHNICAL ENGINEERING TECHNIQUE  > 2023  >  37(2): 181-185
Ran Hua, Duan Xingming, Xu Chuhao, Zou Yulai. Mechanical Characteristic and Rapid Construction of the Steel Arch Frame in Tunnel Shaft Initial Support[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2023, 37(2): 181-185. doi: 10.3969/j.issn.1007-2993.2023.02.009
Citation: Ran Hua, Duan Xingming, Xu Chuhao, Zou Yulai. Mechanical Characteristic and Rapid Construction of the Steel Arch Frame in Tunnel Shaft Initial Support[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2023, 37(2): 181-185. doi: 10.3969/j.issn.1007-2993.2023.02.009
shu

Mechanical Characteristic and Rapid Construction of the Steel Arch Frame in Tunnel Shaft Initial Support

doi: 10.3969/j.issn.1007-2993.2023.02.009
  • 1.

    Yunnan Jiaotong Highway Construction No.1 Engineering Co., Ltd., Kunming 650100, Yunnan, China

  • 2.

    School of Traffic & Transportation, Chongqing Jiaotong University, Chongqing 400000, China

  • Received Date: 2021-11-11
  • Publish Date: 2023-04-08
    Abstract
  • The erection mode and stress characteristics of steel arch frame in highway tunnel are the key points of initial support construction of highway tunnel shaft. Taking the Taihe tunnel of the Expressway from Mojiang to Lincang in Yunnan Province as the research object, the rapid construction method of installing steel arch frame with open-box hook was proposed, and the effect of wedge blocks on controlling surrounding rock deformation was studied. The analysis results show that: the using of opening box hook improves the working efficiency of shaft construction and reduces the time cost of construction in installing the steel arch. The deformation of surrounding rock could be controlled better by using wedge block. The research results provide a reference for the rapid construction of steel arch support in the initial stage of shaft.

     

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