Table 2 Parameters of the joints in the numerical simulation.
Structure plane | normal stiffness/GPa | shear stiffness/GPa | cohesion/MPa | internal friction angle/(°) |
|---|---|---|---|---|
Rock layer | 112 | 2.1 | 0.1 | 25 |
Structure plane | normal stiffness/GPa | shear stiffness/GPa | cohesion/MPa | internal friction angle/(°) |
|---|---|---|---|---|
Rock layer | 112 | 2.1 | 0.1 | 25 |