Numerical Simulation of Large Compression Deformation Disaster and Supporting Behavior of Deep Buried Soft Rock Tunnel with High In Situ Stress Based on CDEM

Table 1

Parameters of large deformation simulation.

	Density of material (kg/m^3)	Modulus of elasticity (GPa)	Poisson’s ratio	Cohesive forces (MPa)	Tensile strength (MPa)	Angle of internal friction (°)
Rock	2346	2.6	0.35	25	25	27
Lining	2300	3.0	0.3	27	27	30
Anchor	7800	10	0.25	500	500	75