Research Article
Sample Rocks Tests and Slope Stability Analysis of a Mine Waste Dump
Table 6
Calculation of physical and mechanical parameters of waste rocks.
| Waste rocks from | For waste rocks of which grain size < 5 cm | Percentage of those waste rocks of which grain size < 5 cm (%) | Natural repose angle | Derived overall waste rocks in comprehensive grain size | c (kPa) | φ (°) | c (kPa) | φ (°) |
| Pit J1 (natural) | 40.74 | 41.8 | 66.57 | 37° | 27.12 | 40.3 | Pit J1 (saturated) | 92.01 | 35.6 | 61.25 | 37.0 | Pit J2 (natural) | 66.22 | 38.4 | 60.29 | 39.92 | 37.9 | Pit N2 (natural) | 45.41 | 39.56 | 87.45 | 39.71 | 39.2 | Pit N1 (natural) | 58.00 | 44.6 | 73.25 | 42.48 | 42.7 | Pit N3 (saturated) | 54.00 | 42.4 | 39.55 | 37.0 |
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