Assessment of groundwater inflow in urban territories |
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| Authors: | A Yu Belyaev R G Dzhamalov Yu A Medovar I O Yushmanov |
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| Institution: | (1) Water Problems Institute, Russian Academy of Sciences, ul. Gubkina 3, Moscow, 119333, Russia |
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| Abstract: | Analytical and numerical methods are proposed for the calculation of water inflow into construction pits under various geological—engineering and hydrogeological conditions at the construction site. Water inflow into the pit is shown to depend not only on lateral seepage but also on the leakage from underlying aquifers at appropriate parameters of their interaction. Under certain natural conditions, the most efficient method for construction pit draining at low water yield of soils in the construction area are light wellpoint systems, the capacity and layout of which is determined by the potential inflow through the pit contour. The results of analytical and numerical calculations for the assessment of groundwater inflow into a pit are given, and light wellpoint systems are shown to be effective under different combinations of natural and engineering conditions. |
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