Research on Support Construction Technology of Rapid Passing through Fault Fracture Zone during TBM Excavation Process
In the underground engineering of a specific site area,an open tunnel boring machine(TBM)was used for slope construction.In the process of excavation,if the fault fracture zone is encountered,the site safety and excavation efficiency will be seriously affected.Therefore,it is urgent to establish a suitable support system to meet the on-site and subsequent needs.The supporting materials and small supporting equipment for the rapid passage of TBM through the fault fracture zone are determined through the comparative analysis of field tests,and the supporting system suitable for the site is formed,in order to provide reference for the construction of similar projects.
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