Design of Groundwater Extraction in Open Cut Foundation Pit and Simplified Calculation of Ground Subsidence due to Dewatering in Sandy Pebble Soil Strata

<div>Comparison of ground subsidence around single well and group wells under different drawdowns. (a) Grade I drawdown. (b) Grade II drawdown. (c) Grade III drawdown. (d) Grade IV drawdown (drawdown stability).</div>

Advances in Civil Engineering

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Figure 33

Figure 33: Design of Groundwater Extraction in Open Cut Foundation Pit and Simplified Calculation of Ground Subsidence due to Dewatering in Sandy Pebble Soil Strata 

Figure 33 | Design of Groundwater Extraction in Open Cut Foundation Pit and Simplified Calculation of Ground Subsidence due to Dewatering in Sandy Pebble Soil Strata 