Research Article

Influence of Charge Hole Spacing on the Crack Propagation Behavior under the Effect of Empty-Hole Directional Blasting

Table 2

Parameters of explosive and its equation of state.

Explosive parametersValueJWL equation of stateValue

Density (kN/m3)12A (GPa)52.4
Detonation velocity (m/s)4950B (GPa)0.768
CJ pressure (GPa)6.125R14.2
B21.1
ω0.34
E (GPa)8.5