Numerical Analysis of Dynamic Evolution Characteristics of a Large Rock Landslide in Tangjiashan

Table 1

Table of slide detail parameters.

Fine physical parameters of the geotechnical body	Strongly weathered marl	Grey marl with kaolinite
Particle density (g.cm^-3)	1.90	2.30
Grain size (m)	2.3 ~ 2.7	3.5 ~ 4.0
Normal phase contact stiffness (MPa)	8	20
Tangential contact stiffness (MPa)	8	20
Friction coefficient	0.64	0.89
Normal bond stiffness (MPa.m^-1)	150	200
Tangential bond stiffness (MPa.m^-1)	150	200
Bond radius factor	0.4	0.4
Normal bond strength (kPa)	310	910
Tangential bond strength (kPa)	140	510
Local damping	0.05	0.05
Normal critical damping	0.60	0.67
Tangential critical damping	0.60	0.67