超前支护技术在浅埋暗挖人防工程施工中应用

The Application of Advancing Support in the Shallow Undermined Civil Air Defence Works

分析浅埋暗挖人防工程的设计特点,阐述了超前导管在不良地质条件下的应用。

Analyses the design feature of the shallow undermined civil air defence works, Expounds the advancing pipe used in the bad soil condition