“梯级管井降水”在人工挖孔护坡桩工程中的应用

Dewatering By Rung Tube Well" Applied in the Project of Abundant Water and Petehing Pile By Digging Holes Artificially in Deep Foundation Pit

阐述利用“梯级管井降水”方案 ,成功安全实现在厚度大砂卵石砾石强富水的深基坑及人工挖孔护坡桩干槽施工作业 。

This paper has expatiated upon the plan of 'dewatering by rung tube well', which not only achieve safely and successfully the construction opration in abundant water and deep foundation pit by digging holes artificially, but also tackle the key difficulty of dewatering in deep foundation pit in the construction.