Research Article
Rock Mechanics Characteristics Test and Optimization of High-Efficiency Mining in Dajishan Tungsten Mine
Table 3
Angle-moulded shear specimen parameters and test results.
| Rock classification | Angle | Sample number | Height (mm) | Diameter (mm) | Peak stress (MPa) |
| Surrounding rock | 30° | WJ-1 | 100.40 | 48.94 | 53.506 | WJ-2 | 99.60 | 49.00 | 55.450 | WJ-3 | 100.30 | 48.96 | 60.417 | WJ-4 | 100.06 | 48.94 | 53.048 | 60° | WJ-5 | 100.90 | 49.02 | 66.219 | WJ-6 | 99.62 | 48.90 | 52.957 | WJ-7 | 98.64 | 48.98 | 25.293 | WJ-8 | 100.10 | 49.00 | 54.819 | 45° | WJ-9 | 100.00 | 49.00 | 42.0356 | WJ-10 | 99.44 | 48.94 | 91.858 | WJ-11 | 97.02 | 48.84 | 105.659 | WJ-12 | 99.40 | 48.92 | 38.860 |
| Ore rock | 30° | KJ-1 | 99.40 | 49.40 | 89.781 | KJ-2 | 99.00 | 48.80 | 60.732 | KJ-3 | 99.60 | 48.74 | 57.272 | KJ-4 | 100.02 | 48.84 | 79.796 | 60° | KJ-5 | 99.40 | 48.70 | 40.234 | KJ-6 | 99.52 | 48.66 | 58.545 | KJ-7 | 100.00 | 49.62 | 69.944 | KJ-8 | 100.02 | 48.60 | 52.173 | 45° | KJ-9 | 99.00 | 48.84 | 87.441 | KJ-10 | 100.82 | 48.90 | 100.489 | KJ-11 | 99.40 | 48.84 | 91.471 | KJ-12 | 100.80 | 48.94 | 74.901 |
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