Table 6 Mechanical parameters of rock masses under different weathering conditions.
From: Study of in situ stress inversion of deeply incised valleys considering the river evolution process
Category | Bulk (GPa) | Poisson µ | Density (g/cm3) | Cohesion (MPa) | internal friction angle (°) |
---|---|---|---|---|---|
Strongly weathered | 2.70 | 0.35 | 2350 | 0.40 | 35.0 |
Weakly weathered | 7.56 | 0.32 | 2550 | 0.90 | 43.5 |
Unweathered | 13.5 | 0.30 | 2600 | 1.55 | 51.0 |
Fault | 0.22 | 0.28 | 1800 | 0.03 | 21.8 |