Dynamic Response and Fatigue-Life Analysis of High-Speed Railway Tunnel Base with Defects

Table 3

Physical and mechanical parameters of joint of coarse aggregate in different positions.

Position of coarse aggregate junction	Density (kN/m^3)	Elastic modulus (MPa)	Poisson’s ratio	Cohesion (MPa)	Internal friction angle (°)
Primary lining	19.70	15.80	0.18	1.04	22.00
Secondary lining	20.40	16.10	0.18	1.32	23.00
Filled layer	16.90	14.30	0.18	1.04	20.90
Concrete foundation	21.80	16.60	0.18	1.20	23.40
Track slab	23.80	17.20	0.18	1.52	24.50