S.N. | Methods | Factor of Safety | Probability of Failure (%) | Reliability Index | |
Deterministic | Probabilistic | ||||
1. | Ordinary/Fellenius | 0.835 | 0.842 | 98.30 | 2.358 |
2. | Bishop Simplified | 0.887 | 0.893 | 92.70 | 1.52 |
3 | Janbu Simplified | 0.828 | 0.834 | 98.90 | 2.476 |
4. | Janbu Corrected | 0.872 | 0.879 | 95.00 | 1.714 |
5. | Spencer | 0.879 | 0.889 | 93.50 | 1.575 |
6. | GLE/Morgenstern-Price | 0.880 | 0.889 | 94.10 | 1.573 |
7. | Corps of Engineers#1 | 0.886 | 0.894 | 92.10 | 1.492 |
8. | Corps of Engineers#2 | 0.889 | 0.897 | 91.40 | 1.45 |