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

Table 2

Physical and mechanical parameters of coarse aggregate.

Material	Density (kN/m^3)	Elastic modulus (GPa)	Poisson’s ratio	Cohesion (MPa)	Internal friction angle (°)
Coarse aggregate	23.00	32.00	0.25	2.30	55.00