以武汉某大厦深基坑工程为例，结合其场地地质条件，设计了基坑降水方案，分析了降水井的成孔工艺和技术要求，并评估了降水对周边地面沉降的影响，结果证明，该设计方案达到了预期的降水目标。%According to the geological condition of a deep foundation pit of a building in Wuhan,and the dewatering scheme of foundation pit is designed. Analyzed the precipitation wells into hole process and technology,and the influence of dewatering on the surface settlement is also eval-uated. The results show that the design meets the expected goals of dewatering precipitation.
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