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结合具体工程的施工实践,分析了洞桩法施工原理、特及其施工方法和步骤,并针对导洞开挖及群洞效应的控制、主体扣拱结构施工、逆作结构防水技术等洞桩法施工关键技术进行了相应的探讨,可供同类工程参考。
According to the construction practice of concrete project, the construction principle, special construction method and steps of the hole pile method are analyzed. According to the hole pile method of excavation and group hole effect control, main body buckling arch construction, Construction of key technologies for the corresponding discussion, for similar projects reference.