Method for determining pumping volume of suspended curtain confined water foundation pit based on three-dimensional drawdown
A technology of pressurized water and water pumping, which can be used in basic structure tests, basic structure engineering, construction, etc., and can solve problems such as poor prediction results
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[0088] A method for determining the pumping volume of a suspended curtain confined water foundation pit based on three-dimensional drawdown, comprising the following steps:
[0089] The first step is to determine the initial calculation parameters of the seepage field.
[0090] In the second step, the precipitation seepage area of the confined aquifer 3 is divided into the horizontal seepage area 32 outside the pit, the three-dimensional seepage area 34 outside the pit, the horizontal seepage area 36 at the bottom of the curtain, and the mixed seepage area 38 inside the pit.
[0091] The third step is to solve the width R of the three-dimensional seepage area outside the pit caused by the curtain barrier l and the horizontal seepage boundary radius R b .
[0092] The fourth step is to determine the position of the settlement sensitive point 6 outside the pit, and obtain the plane distance R between the settlement sensitive point and the center of the foundation pit i And ...
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