基坑围护结构主要承受基坑开挖卸荷所产生的水压力和土压力，并将此压力传递到支撑，是稳定基坑的一种施工临时挡墙结构。
新金桥广场基坑围护结构位于正在运营的地铁隧道顶部。
Xin Jinqiao square pit was on the top of a subway tunnel in use.
在抗倾覆可靠度和围护桩位移和弯矩的可靠度基础上，分析了基坑围护结构的体系可靠度；
Based on reliability of over-turn and displacement and moment of pile, the system reliability of retaining structure is analysed.
在深基坑围护结构中采用双管双液法注浆工艺堵漏的设计及施工工艺，工程实践证明是成功的。
Based on a certain engineering project, the design and construction technology of double pipe and double liquid grouting method for leak blockade in deep excavation retaining structure are introduced.
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