Stability factors γ H/s u and γ H/c for vertical slopes in geomaterials with tension cut-off (ξ = 0)
| B/H | Undrained | φ = 30° | ||
|---|---|---|---|---|
| Translational mechanisma | Rotational mechanismb | Translational mechanisma | Rotational mechanismb | |
| 0·5 | 8·48 | 8·42c | 19·24c | 18·34c |
| 0·6 | 7·27 | 7·27 | 15·18c | 15·10c |
| 0·8 | 5·89 | 6·03 | 11·28 | 11·11 |
| 1 | 5·15 | 5·27 | 9·39 | 9·46 |
| 1·5 | 4·25 | 4·38 | 7·69 | 7·62 |
| 2 | 3·84 | 3·91 | 6·88 | 6·91 |
| 3 | 3·48 | 3·54 | 6·21 | 6·24 |
| 5 | 3·23 | 3·27 | 5·71 | 5·78 |
| 2D | 2·88 | 2·92 | 5·12 | 5·19 |
| Undrained | ||||
|---|---|---|---|---|
| Translational mechanism | Rotational mechanism | Translational mechanism | Rotational mechanism | |
| 0·5 | 8·48 | 8·42 | 19·24 | 18·34 |
| 0·6 | 7·27 | 7·27 | 15·18 | 15·10 |
| 0·8 | 5·89 | 6·03 | 11·28 | 11·11 |
| 1 | 5·15 | 5·27 | 9·39 | 9·46 |
| 1·5 | 4·25 | 4·38 | 7·69 | 7·62 |
| 2 | 3·84 | 3·91 | 6·88 | 6·91 |
| 3 | 3·48 | 3·54 | 6·21 | 6·24 |
| 5 | 3·23 | 3·27 | 5·71 | 5·78 |
| 2D | 2·88 | 2·92 | 5·12 | 5·19 |
Right circular cone surface
Curvilinear cone surface (Park and Michalowski, 2017)
Face failure mechanism