Table 3 Variation of peak shear strength of different roughness.
From: Shear damage mechanisms of jointed rock mass: a macroscopic and mesoscopic study
| Â | Peak shear strength/MPa | Range of change | Residual shear strength/MPa | Range of change |
|---|---|---|---|---|
Flat joint | 7.75 | 0 | 5.85 | 0 |
S1 | 11.065 | 42.77% | 10.4 | 77.78% |
S2 | 13.667 | 76.35% | 10.68 | 82.56% |
S3 | 14.3698 | 85.42% | 12.3654 | 111% |
S4 | 16.572 | 114% | 7.82 | 33.68% |
