Table 3 Material models and parameters used in numerical simulation of Chutougou debris flow event.
Parameters | Value | Value |
|---|---|---|
Topographic surface | Young’s modulus (GPa) | 230 |
Poisson ratio | 0.2 | |
Density (kg/m3) | 2800 | |
Debris particles | Cohesion (kPa) | 15 |
Poisson ratio | 0.3 | |
Density (kg/m3) | 1900 | |
Sliding friction coefficient | 0.25 | |
Initial porosity | 0.5 | |
Check dam | Density (kg/m3) | 2500 |
Young’s modulus (GPa) | 25 | |
Poisson ratio | 0.3 | |
Shear modulus (MPa) | 0 |
