Research Article

Research on Surrounding Rock Stability Affected by Surrounding Rock Pressure and Rock Fracture under Blasting Vibration Load Action

Table 1

Rock parameters in the calculation model.

RockTensile strength (MPa)Elastic modulus (GPa)Poisson’s ratioCohesion (MPa)Angle of internal friction (°)Density (kg·m−3)

Hanging wall7.1170.274.3272640
Ore body8.0230.226.2342870
Footwall7.2210.255.5312640