Damage Mechanism and Wave Attenuation Induced by Blasting in Jointed Rock

Table 1

Mechanical parameters of rock and discontinuity.

Sublayer	Particle radius/mm	Density/kg·m^3	Elastic modulus/GPa	Cohesive strength/MPa	Friction angle/°
Rock	10.0~15.0	2600	6.3	15	30
Joint	—	—	1.5	0	35