Influence of Depth and Position of Vibration-Isolating Slot on Damping Effect of Blasting Vibration

Table 2

Properties of quartzite rock mass [28].

Parameters	Values
Specific gravity (G)	2.65
Density (ρ) (kg/m^3)	2550
Elastic modulus (E) (GPa)	28
Poisson’s ratio (ν)	0.25
Angle of internal friction (φ)	45°
In situ stress ratio (K0)	0.5
Dilation angle (ψ)	5°
Cohesion (c) (MPa)	2.3
σc (MPa)	40