Research Article
Mechanism and Stability Analysis of Deformation Failure of a Slope
Table 1
Safety factor of progressive failure under the rainfall with a recurrence interval of 20 years.
| CSB | 25 | 26 | 27 | 28 | 29 | 30 |
| TSF | 1.317 | 1.349 | 1.399 | 1.410 | 1.428 | 1.484 | | 0.746 | 0.704 | 0.655 | 0.607 | 0.559 | 0.510 | | 2.925 | 2.808 | 2.667 | 2.526 | 2.385 | 2.244 | | 1.718 | 1.558 | 1.540 | 1.523 | 1.475 | 1.410 | | 0.202 | 0.193 | 0.175 | 0.157 | 0.124 | 0.108 | | 0.205 | 0.197 | 0.186 | 0.172 | 0.147 | 0.121 | | 0.203 | 0.195 | 0.189 | 0.166 | 0.135 | 0.111 | | 1.152 | 1.141 | 1.133 | 1.117 | 1.102 | 1.088 | | 1.238 | 1.206 | 1.193 | 1.181 | 1.172 | 1.162 | | 1.188 | 1.175 | 1.161 | 1.157 | 1.144 | 1.133 | | 0.284 | 0.268 | 0.256 | 0.211 | 0.185 | 0.163 | | 0.402 | 0.392 | 0.342 | 0.319 | 0.288 | 0.267 | | 0.344 | 0.333 | 0.326 | 0.300 | 0.282 | 0.236 |
| CSB | 31 | 32 | 33 | 34 | 35 | 36 | TSF | 1.495 | 1.508 | 1.519 | 1.544 | 1.559 | 1.587 | | 0.462 | 0.414 | 0.365 | 0.317 | 0.269 | 0.220 | | 2.103 | 1.962 | 1.821 | 1.680 | 1.539 | 1.398 | | 1.320 | 1.290 | 1.214 | 1.117 | 1.049 | 1.011 | | 0.097 | 0.075 | 0.043 | 0.024 | 0.018 | 0.00 | | 0.101 | 0.092 | 0.067 | 0.043 | 0.037 | 0.00 | | 0.099 | 0.084 | 0.046 | 0.029 | 0.021 | 0.00 | | 1.064 | 1.053 | 1.042 | 1.035 | 1.025 | 1.00 | | 1.142 | 1.121 | 1.101 | 1.090 | 1.070 | 1.00 | | 1.120 | 1.110 | 1.075 | 1.055 | 1.020 | 1.00 | | 0.142 | 0.109 | 0.081 | 0.048 | 0.026 | 0.00 | | 0.253 | 0.218 | 0.173 | 0.127 | 0.071 | 0.00 | | 0.215 | 0.193 | 0.122 | 0.101 | 0.054 | 0.00 |
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The normal deformation is neglected.
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