Application of the Modified Mohr–Coulomb Yield Criterion in Seismic Numerical Simulation of Tunnels

Table 6

Physical parameters of the materials.

	Density (kg/m^3)	Elastic modulus (MPa)	Poisson's ratio	Cohesion (kPa)	Friction angle (°)
Surrounding rock	1300	1.07	0.25	3.06	25
Linings	1780	571.42	0.2	60.71	50.8
Fault	1500	0.71	0.25	-	35
Q235 steel	7500	210000	0.25	-	-
Damping layer	150	70	0.05	-	-