Research Article

Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance

Table 1

Mechanical parameters of rock mass.

LithologyK (GPa) (GPa)C (MPa)φ (°)γ (kg·m−3)σ (MPa)

Mudstone7.364.003.403527242.20
Fine sandstone6.836.243.304027004.19
Argillaceous sandstone5.004.003.263724803.78
Fine sandstone6.836.243.304027004.19
Sandy mudstone5.203.103.203726572.20
Coal0.980.371.403114500.30
Sandy mudstone5.203.103.203726572.20
Fine sandstone6.836.243.304027004.19
Mudstone7.364.003.403527242.20
Fine sandstone6.836.243.304027004.19
Argillaceous sandstone5.004.003.263724803.78
Fine sandstone6.836.243.304027004.19
Mudstone7.364.003.403527242.20

Note. K is the bulk modulus; is the shear modulus; c is the cohesion; φ is the friction angle; γ is the density; σ is the tensile strength.