Table 4.
The results of the stability analysis and an evaluation of the studied cases (the cases are shown in Figure 13).
| Case | Stability analysis | Factor of safety | Description |
|---|---|---|---|
| Slope 1 | SWedge | 1.39 | Wedge is stable |
| RocPlane | - | - | |
| Expert Judgement | 1.52 | Stable but some loss under saturation | |
| Presented algorithm | 57 | Semi-stable | |
| Slope 2 | SWedge | 1.14 | Wedge is stable |
| RocPlane | - | - | |
| Expert Judgement | 1.33 | Stable but localised loss under saturation | |
| Presented algorithm | 63 | Semi-stable | |
| Slope 3 | SWedge | - | - |
| RocPlane | 2.18 | Plane is stable | |
| Expert Judgement | 2.50 | Stable | |
| Presented algorithm | 88 | Stable | |
| Slope 4 | SWedge | - | - |
| RocPlane | 1.00 | Partially unstable | |
| Expert Judgement | 1.25 | Partially unstable | |
| Presented algorithm | 50 | Critical |