Table 2
Rock mechanical properties of rock mass, FDFN, and NFs.
Rock mass parameter | Unit | Value | |
---|---|---|---|
Density | kg/m3 | 2600 | |
Elastic modulus | GPa | 24 | |
Poisson’s ratio | – | 0.25 | |
Cohesion | MPa | 2 | |
Friction angle | Degree | 35 | |
Tension strength | MPa | 1 | |
Fracture parameters | FDFN | NFs | |
Normal stiffness | GPa/m | 350 | 20 |
Shear stiffness | GPa/m | 140 | 10 |
Cohesion | MPa | 2 | 0 |
Friction angle | Degree | 35 | 20 |
Tension strength | MPa | 1 | 0.01 |