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首页> 外文会议>International Conference on Smart Grid and Electrical Automation >Research on Dewatering Design of PumpingTest in Super Large Foundation Pit Engineering -Taking the Foundation Pit in J2 Area of Nanjing QingaoTunnel as an Example
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Research on Dewatering Design of PumpingTest in Super Large Foundation Pit Engineering -Taking the Foundation Pit in J2 Area of Nanjing QingaoTunnel as an Example

机译：超大型基坑工程抽水试验的脱水设计研究-以南京青高隧道J2区基坑为例

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The purpose of this paper is to determine the water level of the confined aquifer and the water output of a single well, to test the well completion quality of the dewatering well, to determine the permeability coefficient of the confined aquifer, and to test whether the parameters selected in the design of the dewatering scheme are reasonable, etc. The constant flow and steady flow pumping test method is mainly used to analyze and compare the pumping test data of the belt observation logging in Nanjing Qingao tunnel project, The analysis of the pumping test results of this type and the correct selection of the permeability coefficient formula provide a good example for the foundation pit dewatering design to be more detailed and reasonable.
机译：本文的目的是确定承压含水层的水位和单井的出水量，以测试脱水井的完井质量，确定承压含水层的渗透系数，并测试是否在脱水方案设计中选择的参数是否合理等。恒流和恒流抽水试验方法主要用于分析比较南京清高隧道带式观测测井的抽水试验数据，进行抽水分析。这种类型的测试结果以及正确选择渗透系数公式，为基坑脱水设计更加详细，合理提供了很好的例子。

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