Research Article

Dynamic Analysis of the High-Speed and Long-Runout Landslide Movement Process Based on the Discrete Element Method: A Case Study of the Shuicheng Landslide in Guizhou, China

Table 1

Macro- and micromechanical parameters of the material in the Shuicheng landslide.

Macromechanical parameters

Young's modulus (GPa)29
Poisson's ratio0.1
Tensile strength (MPa)30
Compressive strength (MPa)300
Internal friction coefficient0.43
Density (kg/m3)2600
Normal stiffness (GN/m)44.86
Shear stiffness (GN/m)20.39
Breaking displacement m0.0023
Shear resistance kN55.58
Friction coefficient0.0654