Research Article
Stability Assessment of Dangerous Rock Mass of an Overhanging Slope in Puerdu Town, Southwestern China
Table 7
Calculation results of dangerous rock stability.
| Failure mode | Dangerous rock number | Working condition | Stability factor | Stable state | Hazard probability (%) |
| Falling type | W1 | I | 1.075 | Understable | 20.4 | II | 0.950 | Unstable | 30.8 | III | 0.928 | Unstable | 32.7 | W3 | I | 1.024 | Understable | 24.7 | II | 0.980 | Unstable | 28.3 | III | 0.953 | Unstable | 30.6 | W4 | I | 1.101 | Understable | 18.3 | II | 0.953 | Unstable | 30.6 | III | 0.909 | Unstable | 34.3 | W6 | I | 1.006 | Understable | 26.2 | II | 0.863 | Unstable | 38.1 | III | 0.833 | Unstable | 40.6 |
| Tipping type | W2 | I | 1.026 | Understable | 24.5 | II | 0.907 | Unstable | 34.4 | III | 0.866 | Unstable | 37.8 | W5 | I | 1.168 | Understable | 12.7 | II | 1.085 | Understable | 19.6 | III | 1.040 | Understable | 23.3 |
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