深基坑开挖用灌注桩和旋喷桩组合支护

Composite Bracing by Bored Piles and Chemical Churning Piles for Deep Foundation Excavation

本文就某地下通廊深基坑开挖采用灌注桩与旋喷桩组合支护,论述其设计方法,工作性能,技术经济效果和施工方法。

In this paper a componite bracing structure used in a deep foundation excavation for an underground gallery was introduced.Its design method,performing characteristics,technical-economical results and construction were discussed.