Numerical Analysis of the Seismic Response of Tunnel Composite Lining Structures across an Active Fault

Table 3

Physical and mechanical parameters of the surrounding rock and fault fracture zone.

Material	Young’s Modulus (GPa)	Density (kg/m^3)	Poisson’s ratio	Cohesion (MPa)	Friction angle (°)
Rock	1.3	2000	0.39	0.12	22
Fault	0.5	2000	0.42	0.02	20