Geological Strength Index (GSI) | Zone | Hoek Brown Parameter | Mohr-Coulomb Parameter | |||||||
σci (MPa) | mb | s | a | C (MPa) | ϕ | σt (MPa) | Erm (MPa) | v | ||
25 | Hanging Wall | 2 | 1.71 | 0.00024 | 0.53 | 0.095 | 29.90 | −0.00028 | 47.88 | 0.3 |
Footwall | 5 | 1.71 | 0.00024 | 0.53 | 0.13 | 36.73 | −0.0007 | 119.71 | 0.3 | |
Quartz Vein | 29 | 1.71 | 0.00024 | 0.53 | 0.23 | 49.74 | −0.004 | 694.32 | 0.2 | |
37.5 | Hanging Wall | 2 | 2.68 | 0.00096 | 0.51 | 0.12 | 33.55 | −0.00072 | 107.61 | 0.3 |
Footwall | 5 | 2.68 | 0.00096 | 0.51 | 0.16 | 40.73 | −0.0018 | 269.025 | 0.3 | |
Quartz Vein | 29 | 2.68 | 0.00096 | 0.51 | 0.30 | 53.76 | −0.01 | 1560.34 | 0.2 | |
50 | Hanging wall | 2 | 4.19 | 0.0038 | 0.50 | 0.145 | 37.19 | −0.0018 | 245.74 | 0.3 |
Footwall | 5 | 4.19 | 0.0038 | 0.50 | 0.20 | 44.43 | −0.0046 | 614.37 | 0.3 | |
Quartz Vein | 29 | 4.19 | 0.0038 | 0.50 | 0.39 | 57.01 | −0.026 | 3563.36 | 0.2 | |
62.5 | Hanging Wall | 2 | 6.55 | 0.015 | 0.50 | 0.17 | 40.81 | −0.0047 | 461.26 | 0.3 |
Footwall | 5 | 6.55 | 0.015 | 0.50 | 0.24 | 47.92 | −0.011 | 1153.15 | 0.3 | |
Quartz Vein | 29 | 6.55 | 0.015 | 0.50 | 0.54 | 59.68 | −0.068 | 6688.27 | 0.2 | |
75 | Hanging Wall | 2 | 10.23 | 0.06 | 0.50 | 0.21 | 44.33 | −0.012 | 653.08 | 0.3 |
Footwall | 5 | 10.23 | 0.06 | 0.50 | 0.31 | 51.14 | −0.03 | 1632.7 | 0.3 | |
Quartz Vein | 29 | 10.23 | 0.06 | 0.50 | 0.86 | 61.67 | −0.17 | 9469.66 | 0.2 |