通过工程实例分析,提出放坡（土钉墙）＋桩锚支护＋三轴水泥搅拌桩止水帷幕组合体系设计方案,并对施工工艺进行了论述,通过现场试验分析及观测发现该支护体系稳定,基坑周边位移及沉降基本符合设计要求,基坑止水达到设计及施工要求,且成本较低,运用较成功。%Through analyzing the engineering case,the paper puts forward design scheme,and discusses the construction technology.Through in-situ experiment and detection,if finds out that the bracing system is stable,displacement and settlement surrounding the foundation basically meets design demands,water-stop of the foundation pit reaches the design and construction requirements,and cost is low,and operation is successful as well.
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