大断面软岩浅埋偏压隧道施工技术

The Construction Technology of Large Section Soft Rock Shallow-buried Tunnel under Unsymmetrical Pressure

介绍南山寨隧道出口段穿越大断面软岩浅埋偏压地段,在施工中遇到的难点及施工处理技术,着重阐述双侧壁导坑法在该隧道应用中的施工要点及作业程序。

This article introduces the difficulty and the technology in the construction process of the Nanshan tunnel across the large section soft rock shallow tunnel under unsymmetrical pressure. It in particular states the key points and operation procedures of the double side drift method in this tunnel.