Research Article
Sample Rocks Tests and Slope Stability Analysis of a Mine Waste Dump
Table 7
Physical and mechanical parameters of the sample rocks from waste dump.
| | Lithology | Density γ (g/cm3) | Cohesion c (kPa) | Inner friction angle φ (°) | Compressive strength σcm (MPa) | Tensile strength σct (MPa) | Elasticity modulus Em (MPa) | Poisson’s ratio μ |
| | Heavily weathered rock layer | 2.56 | 320 | 28 | 7.00 | 0.90 | 3400 | 0.23 | | Medium weathered rock layer | 2.66 | 650 | 30 | 14.20 | 2.03 | 7341 | 0.23 | | Natural gravel and soil | 2.10 | 40 | 28 | — | — | 200 | 0.30 | | Saturated gravel and soil | 2.20 | 20 | 16 | — | — | 130 | 0.30 | | Natural waste rocks | 2.21 | 35 | 35 | — | — | 800 | 0.27 | | Saturated waste rocks | 2.33 | 25 | 30 | — | — | 550 | 0.27 |
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