Using groundwater recharge system, it can reduce the influence on surrounding environment induced by dewatering of foundation pit in the project.

深基坑工程对周边环境的影响，可归因于基坑围护体系自身不足引起的破坏以及基坑工程引起周边环境的过大位移。

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By dewatering of foundation pit, the points above the drainage layer all have a considerable influence and the shorter distance with the subgrade surface the more influence.

但随着基坑降水的进行，排水层以上各点均受较大影响，并且距离路基表面越近影响越大。

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The paper expounds the control on ground water table both in and out of foundation pit for foundation pit dewatering, and discusses the utilization of drained ground water in dewatering engineering.

对基坑降水中基坑内外的地下水位控制措施进行了论述，并探讨了降水工程中排出的地下水进行综合利用的问题。

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