当基坑深度较大时，为了减少桩墙的受力和控制基坑变形，常采用多支撑支护方式。
For the deep excavation, in order to reduce the pressure on the pile and control the deformation of the excavation, usually, multi-braced retaining is used.
钻孔倾斜仪由于监测深度大、监测点连续性好及监测可靠性高，已成为一种主要的基坑壁变形监测手段。
Due to the great depth, good continuity and high reliability of monitoring, bore inclinometer becomes a main monitoring measure for the deformation of foundation pit walls.
随着基坑开挖深度的增加，上海地区深基坑工程的承压水问题日益突出。
With the increase the depth of foundation pits, the problems of confined water have become more and more important in deep foundation pit projects in Shanghai.
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