Table 1 Geotechnical properties of red clay soil sample used in the numerical analysis
From: Effect of long duration rainstorm on stability of Red-clay slopes
Material properties | Values | Measurement method |
|---|---|---|
Percentage of Sand | 77Â % | Sieve Analysis |
Percentage of Fines | 23Â % | Sieve Analysis |
Type of Soil | SM | ASTM |
Saturated Volumetric Moisture Content, θw | 0.37 | Field measurement |
Saturated coefficient of permeability, ks | 0.0323Â m/h | Falling head permeability test |
Residual Moisture Content, θr | 0.016 | Estimated with Fredlund and Xing (1994) |
Unit Weight | 20 kN/m3 | Field measurement |
c' | 30 kPa | Direct Shear test |
φ' | 15° | Direct Shear Test |