The optimal designing theory of deep foundation pit dewatering for controlling land subsidence was discussed in loose sediment with great thickness and complex characteristics.
优化设计理论的深基坑降水，地面沉降控制在松散沉积物厚度大，复杂的特点进行了讨论。
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。
Dewatering for different foundation pit fencing structures in soft ground has different impacts on the head of ground water, causing different ground settlement.
不同的软土地基基坑围护结构降水设计对地下水水头有不同的影响，从而产生不同的地面沉降。
The ground random subsidence forecast for reason of dewatering in deep foundation pit are studied. And based on the reliability theory, the random land subsidence is analyzed.
研究了深基坑降低地下水引起的地面随机沉降预测，并基于可靠性理论就随机地面沉降进行了可靠性分析。
Dewatering is always necessary in foundation pit excavation and hand dig piles.
基坑开挖或施行人工挖孔桩常常需要进行人工降水。
In the excavation of foundation pit and foundation bench in shallow aquifer area, the problem of dewatering will be involved.
在含水层较浅的地区开挖基坑及基槽，都涉及到降水问题。
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。
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。
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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