Numerical Simulation Research of Smooth Wall Blasting Using the Timing Sequence Control Method under Different Primary Blast Hole Shapes

Table 3

Parameters of rock material.

ρ3 (g/cm^3)	(GPa)	(GPa)		(MPa)
2.7	40	6.0	0.22	38.0

ρ₃ represents the density of rock mass; represents the elasticity modulus; represents the shear modulus; represents Poisson’s ratio; and represents the dynamic tensile strength of rock mass.