Analysis of Damage Mechanism of Tunnel Lining Structure under the Coupling Action of Active Fault

Table 1

Material parameters of tunnel lining.

Model	Density (kg/m^3)	Elastic modulus (MPa)	Poisson’s ratio	Compressive yield stress (MPa)	Tensile yield stress (MPa)
Lining	2400	2.648 × 10^4	0.167	32.5	2.64