Table 1 Mechanical parameters of intact rock and rock mass10.
From: An innovative determination approach for the support strength of stope roof: a case study
Property | Density (g/cm3) | UCS (MPa) | Elastic modulus (GPa) | Poisson | Cohesion (MPa) | Friction angle (°) | Tensile strength (MPa) |
|---|---|---|---|---|---|---|---|
Intact rock | 2.70 | 98.16 | 54.04 | 0.23 | 14.65 | 38.6 | 5.11 |
Rock mass | 2.70 | 10.19 | 17.5 | 0.23 | 3.14 | 35.0 | 0.50 |