Study on Dynamic Response Laws and Shock Absorption Measures of Mountain Tunnel under Strong Earthquake

Table 2

Parameters of material physical mechanics.

Material type	E (Pa)	μ	C (Pa)	Φ (deg)	ρ (kg/m^3)
Block stone	1.00e09	0.4	3.00e04	40	1500
Surrounding rock	1.20e09	0.38	1.00e05	42	1800
Reinforcement zone	2.40e09	0.34	2.00e05	42	2000
Lining	3.35e10	0.2	—	—	2300
Shock absorption layer	3.50e06	0.38	0.60e03	6	1000
Seismic joint	1.00e06	0.38	0.40e03	10	900