主要用于对于围岩变形及地表下沉有较严格限制要求的软弱破碎围岩隧道工程中，如软弱、沙砾地层和软岩、岩堆、破碎带地段。
文章详细信息 关键词： 浅埋隧道;;管棚;;施工监测 [gap=346]Keywords: shallow buried tunnel,pipe-shed,construction supervision
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管棚支护是浅埋暗挖法施工中的一种辅助工法。
Pipe roof support is an assisted method of shallow tunneling.
以某隧道塌方处理为例，介绍管棚法处理隧道塌方的应用技术。
This paper presents the application technique of large steel-pipe-shed for dealing with collapse of tunnel combining the treatment practice of a tunnel collapse.
该工法包括回填和固结灌浆、管棚加固、控制爆破和喷锚等工序。
This method consists of the following procedures: backfill, consolidation grouting, reinforcing by the pipe and strut method, controlled blasting and anchor bars.
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