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Deep wells are used to lower the groundwater level during excavation to fulfill three conditions: no ground loss, dry excavation, and stable base and slopes. Water is extracted via pumping through filters. Special precautions must be taken to prevent liquid piping or blow-outs, where the progressive removal of fines through uncontrolled pumping can worsen soil instability. Measures include ensuring adequate filters during pumping, allowing water levels to rise to stop flows, and monitoring specific discharg

Author

jaga67

Language

EN