矿山法在地铁隧道施工中的应用

Application of Mining Method in Metro Tunnel Construction

本文阐述了武汉地铁27号线出入场线区间隧道的工程概况、特点,以及CD工法的优化改进。论述了矿山法在地铁大跨度断面隧道穿越特大溶洞的施工运用,总结了双中隔壁台阶法施工及全充填软塑红黏土溶洞处理的施工经验。

This article describes the engineering overview and characteristics of the tunnels between the entry and exit lines of Wuhan Metro Line 27,as well as the optimization and improvement of the CD construction method.It discusses the application of the mining method in the subway large-span section tunnel crossing the super-large karst cave,and summarizes the construction experience of the double-intermediate-wall bench method and the full-filled soft plastic red clay karst cave treatment.