以长沙开福万达广场基坑支护及帷幕止水工程设计与施工为例,针对不同环境条件,基坑设计分别采用了支护桩结合锚索、双排桩结合锚索、旋挖桩结合钢管内撑等多种支护形式,在两根旋挖支护桩间施工两根三重管高压旋喷桩联合进行基坑帷幕隔水,施工采取与现场条件相适应的施工措施,工程顺利完工. Taking the design and construction of Foundation Pit Support and Curtain Water Stop of Kaifu Wanda Plaza in Changsha as an example, according to the different environmental conditions, the design of foundation pit has adopted supporting piles combined with anchor cables, double row piles combined with anchor cables, Steel tube support and other forms of support in the two rotary support pile between the construction of two triple-tube high-pressure rotary jet grouting combined with foundation pit curtain water, construction and site conditions to adapt to the construction measures, the successful completion of the project .