Advances in Civil Engineering / 2020 / Article / Tab 2 / Research Article
Design of Groundwater Extraction in Open Cut Foundation Pit and Simplified Calculation of Ground Subsidence due to Dewatering in Sandy Pebble Soil Strata Table 2 Physical and mechanical parameters of strata.
Name of stratum Modulus of deformation E (MPa) Poisson’s ratio Density (g/cm3 ) Permeability coefficient (m/d) Miscellaneous fill 2 0.35 1.8 1.25 Silty clay 4 0.29 1.96 0.05 Clayey silt 4 0.30 1.94 0.15 Fine sand 4 0.28 1.85 3 Medium sand 4.0 0.26 1.9 10 Loose pebble layer 18 0.25 2 22 Slightly condensed pebble layer 20 0.23 2.1 22 Medium condensed pebble layer 28 0.20 2.2 22 Compacted pebble layer 38 0.17 2.3 22