Numerical Investigation on Influential Factors for Quality of Smooth Blasting in Rock Tunnels

Table 1

Properties of the rock mass.

Level	Physical-mechanical parameters of the rock mass
	Type	Density (g/cm^3)	Internal friction angle (°)	Cohesion (MPa)	Elastic modulus (GPa)	Poisson’s ratio	Joint (set)
1	III	2.45	33	0.6	10	0.28	0
2	IV	2.15	15	0.05	1.2	0.4	2