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Initial rock deformations by 3D numerical modelling and CCM for different geological conditions.
| GSI | σ0/MPa | Initial rock deformation/mm | Comparison/% | |
|---|---|---|---|---|
| 3D numerical modelling | CCM | |||
| 50 | 5 | 0.78 | 0.39 | 100.00 |
| 50 | 15 | 2.3 | 1.36 | 69.12 |
| 50 | 25 | 4.04 | 2.65 | 52.45 |
| 25 | 5 | 4.94 | 5.34 | − 7.49 |
| 25 | 25 | 63.77 | 95.51 | − 33.23 |
