Research Article
Uniaxial Compression Mechanical Properties of Rock Samples in Soft and Hard Composite Strata
Table 2
Rock mass parameters of composite strata.
| | | Bulk modulus (GPa) | Shear modulus (GPa) | Cohesive force (MPa) | Friction angle (°) | Tensile strength (MPa) | Dilation angles (°) |
| | Soft rock | 1.15 | 1.00 | 4 | 20 | 1.00 | 10 | | Hard rock | 6.45 | 2.78 | 7 | 26 | 2.00 | 10 |
|
|
