Research Article
Error Source Analysis and Precision Assessment of Limit Equilibrium Methods for Rock Slopes
Table 8
Influence of sliding body Poisson’s ratio on safety factors and error range.
| Slope states | Schemes | Elastic modulus (GPa) | Poisson’s ratio | LE method | FE method | Error (%) |
| Stable slope | 1 | 15.0 | 0.01 | 1.44 | 1.31 | −10 | 2 | 15.0 | 0.05 | 1.44 | 1.33 | −8 | 3 | 15.0 | 0.1 | 1.44 | 1.34 | −7 | 4 | 15.0 | 0.2 | 1.44 | 1.34 | −7 | 5 | 15.0 | 0.3 | 1.44 | 1.35 | −7 | 6 | 15.0 | 0.4 | 1.44 | 1.36 | −6 |
| Local failure slope | 7 | 15.0 | 0.01 | 1.15 | 0.96 | −20 | 8 | 15.0 | 0.05 | 1.15 | 0.98 | −17 | 9 | 15.0 | 0.1 | 1.15 | 1.01 | −14 | 10 | 15.0 | 0.2 | 1.15 | 1.04 | −11 | 11 | 15.0 | 0.3 | 1.15 | 1.02 | −13 | 12 | 15.0 | 0.4 | 1.15 | 0.86 | −34 |
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