Table 2 Physical and mechanical parameters used for numerical model.
From: Instability mechanism of loess-mudstone landslides under rainfall infiltration conditions
Soil layer | Natural unit weight (kN/m3) | Effective cohesion (kPa) | Effective internal friction angle (°) | Elastic modulus (MPa) | Poisson’s ratio |
|---|---|---|---|---|---|
Loess | 16.82 | 7.51 | 23.43 | 25.23 | 0.35 |
Silt | 17.46 | 6.53 | 25.61 | 42.15 | 0.28 |
Gravel | 20.73 | 3.24 | 35.82 | 153.75 | 0.25 |
Glaciofluvial gravel | 21.65 | 5.15 | 33.26 | 147.69 | 0.25 |
Mudstone | 22.51 | 114.33 | 27.21 | 671.18 | 0.27 |