Numerical Investigation of Rainfall-Induced Landslide in Mudstone Using Coupled Finite and Discrete Element Analysis

Table 3

Microparameters in the DEA models.

Microparameters of PFC model	Sliding zone	Building^a
Minimum radius (m)	0.08	0.5
Maximum radius (m)	0.09	0.5
Normal stiffness (GPa)	0.03	36
Stiffness ratio (kn/ks)	1.2	32.72
Friction coefficient	0.05	1
Parallel bond normal stiffness (GPa)	0.03	20
Parallel bond stiffness ratio (kn/ks)	1.2	3.33
Parallel bond tensile strength (kPa)	170	2.8 × 10^6
Parallel bond cohesion (kPa)	15	2.8 × 10^6

^a[50].