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

Figure 31

Group wells subsidence nephogram when the drawdown is stable (unit: m). (a) Three-dimensional diagram. (b) Cross section of the well midpoint. (c) Longitudinal section of the well midpoint.

(a)

(b)

(c)