Seismic Damage Prediction Method for Lining Structures Based on the SEDR Principle

Table 1

The mechanical parameters of materials.

Material	Elastic modulus (MPa)	Poisson’s ratio	Density (kg·m^−3)	Angle of internal friction (°)	Cohesion(MPa)
C30 concrete material	30000	0.3	2500	45	5
Level III surrounding rock	10000	0.3	2300	40	1
Level V surrounding rock	6000	0.35	2000	25	0.1
Level IV surrounding rock	12000	0.3	2200	35	0.05