Seismic Response Analysis of Concrete Lining Structure in Large Underground Powerhouse

Table 1

Mechanical parameters of the rock and concrete.

Material	Deformation modulus; (GPa)	Poisson ratio	Cohesion; (MPa)	Friction angle (°)	Tensile strength; (MPa)
Rock	10	0.25	2.18	42	1.97
Concrete	25	0.17	2.00	46	1.25