Numerical Analysis on the Structure Type and Mechanical Response of Tunnel Crossing Active Reverse Fault

Table 2

Equivalent physical and mechanical indexes adopted in the numerical model.

Items	Unit weight (kN·m^-3)	Elasticity modulus (GPa)	Poisson’s ratio	Cohesion (MPa)	Internal friction angle (°)	Tensile strength (MPa)
Rock mass of hanging wall	22	3.5	0.33	0.45	33	0.168
Rock mass of foot wall	19	1.5	0.38	0.15	25	0.047
Preliminary support	25	29.86	0.2	1.8	60	1.3
Lining	25	34.19	0.2	2.35	60	2.5
Material of deformation joint	10	0.006	0.42	—	—	—