Study on Fluid-Lining-Rock Coupling Interaction of Diversion Tunnel under Seismic Load

Table 1

Mechanical parameters of materials.

Material	Deformation modulus; (GPa)	Poisson ratio	Cohesion; (MPa)	Friction angle (°)	Tensile strength; (MPa)
Rock	10	0.27	0.8	45	1.2
Lining	28	0.167	1.8	40	1.27
Fluid	2.1	—	—	—	—