Research Article
Optimized Analysis Method for Evaluating the Shear Strength Parameters of Rock Joint Surfaces
Table 2
Joint roughness coefficients (JRC).
| Serial number | σn (MPa) | Experimental value of σ (MPa) | JRC |
| 1 | 1.0 | 1.07 | 9.97 | 2 | 1.13 | 10.88 | 3 | 1.21 | 12.02 |
| 4 | 1.5 | 1.30 | 7.17 | 5 | 1.51 | 9.97 | 6 | 1.60 | 11.06 |
| 7 | 2.0 | 1.70 | 7.41 | 8 | 1.96 | 10.32 | 9 | 2.30 | 13.58 |
| 10 | 2.5 | 2.46 | 11.17 | 11 | 2.60 | 12.39 | 12 | 2.86 | 14.48 |
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