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介绍隧洞和地下洞室支护施工中所采用的涨壳式中空张拉锚杆的结构、功能、作用机理、施工方法及工程实践中的体会。
This paper introduces the structure, function, mechanism of action, construction method and engineering practice of the up-shell hollow tensile anchor used in tunnel and underground cavern support construction.