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

Table 4

Properties of rock masses for the HJC model.

Density (g/cm^3)	Cohesion (MPa)	Elasticity modulus (GPa)	Poisson’s ratio	A	B	C
2.45/2.15	0.6/0.05	10/1.2	0.28/0.4	0.79	1.6	0.007
D1	D2	N	T	K1	K2	K3
0.04	1.00	0.61	3.15E-05	0.174	0.388	0.298