层状岩地层超大断面暗挖车站双层叠合初支拱盖法施工技术

Double layer overlapping initial support arch cover construction technology for super large profile underground excavation station in layered rock stratum

文章围绕双层叠合初支拱盖法展开探讨,提出可行的技术方案,明确各个工序下所对应的技术要点,综合实际案例进行分析,最终结果表明该方式具有良好的可行性,所带来的工作面较大,在确保工程质量的同时还可以缩减工程成本,总体来说可行性较高。

This paper discusses the double layer arch method,puts forward feasible technical scheme,clarifies the corresponding technical points in each process,and analyzes the actual cases.The final results show that the method is feasible,and the working face is large,and the project cost can be reduced while ensuring the project quality.Generally speaking,it is more feasible.