Experimental investigation on the blocking of groundwater seepage from a waterproof curtain during pumped dewatering in an excavation

• Published in: Hydrogeology journal Vol. 27; no. 7; pp. 2659 - 2672
• Main Authors: Xu, Ye-Shuang, Yan, Xue-Xin, Shen, Shui-Long, Zhou, An-Nan
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.11.2019; Springer Nature B.V
• Subjects: Aquatic Pollution; Aquifers; Computer simulation; confined aquifer; Confined aquifers; Dewatering; Dredging; Earth and Environmental Science; Earth Sciences; Effectiveness; Environmental effects; environmental impact; Excavation; Geology; Geophysics/Geodesy; Gradients; Groundwater; Groundwater levels; Hydraulic gradient; Hydrogeology; Hydrology/Water Resources; Laboratories; laboratory experimentation; Laboratory tests; mathematical models; Numerical simulations; Seepage; Thickness; Waste Water Technology; Water Management; Water Pollution Control; Water Quality/Water Pollution; water table; wells; Numerical modeling; Foundation pit; Dewatering; Wall-well effect; Laboratory experiments

The interaction between a waterproof curtain and withdrawal wells (or simply, the wall-well effect) is a key factor in controlling the environmental effects that occur during the dewatering of foundation pits. A series of laboratory investigations was conducted to study the changes in groundwater le...