Research Article
Sample Rocks Tests and Slope Stability Analysis of a Mine Waste Dump
Table 12
Calculation results using limit equilibrium method.
| Year | Conditions | FOS of circular sliding (simplified bishop) | FOS of sliding contact between foundation and waste rock layer (Morgenstern–Price) | FOS of partial slope | FOS of overall slope |
| 2015 | I | 1.408 | 1.402 | 1.491 | II | 1.120 | 1.115 | 1.198 | III | 1.144 | 1.189 | 1.102 |
| 2016 | I | 1.404 | 1.401 | 1.481 | II | 1.119 | 1.114 | 1.194 | III | 1.250 | 1.188 | 1.059 |
| 2017 | I | 1.407 | 1.401 | 1.490 | II | 1.119 | 1.114 | 1.198 | III | 1.261 | 1.079 | 1.146 |
| 2018 | I | 1.410 | 1.400 | 1.511 | II | 1.122 | 1.114 | 1.211 | III | 1.135 | 1.130 | 1.033 |
| 2023 | I | 1.479 | 1.447 | 1.578 | II | 1.180 | 1.153 | 1.272 | III | 1.106 | 1.244 | 1.122 |
| 2028 | I | 1.462 | 1.455 | 1.676 | II | 1.168 | 1.157 | 1.364 | III | 1.160 | 1.247 | 1.149 |
| 2036 | I | 1.468 | 1.455 | 1.769 | II | 1.173 | 1.150 | 1.441 | III | 1.134 | 1.231 | 1.147 |
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