On the whole, this is a good experience for the construction of the tunnel with large cross-section and super length by TBM.
实践证明，在大断面超长隧洞TBM施工段设置中间施工支洞，是一个成功的经验。
It is a super-shallow-berried single-span tunnel project. The New Austrian Tunneling Method is used in design of station, constant-section composite lining is employed for the station structure;
按新奥法原理进行设计，结构采用等截面复合式衬砌，施工采用双侧壁台阶组合法暗挖施工，工程设计难度大、施工风险高。
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