Research Article
Stability Charts for Pseudostatic Stability Analysis of 3D Homogeneous Soil Slopes Using Strength Reduction Finite Element Method
Table 2
Comparison of the FOS of the four slope cases based on various methods.
| Case | Source | FOS |
| 1 | 2D (average) by Fredlund and Krahn [24] | 2.034 | 3D-LEM CLARA by Hungr [25] | 2.167 | 3D LEM by Zhang [23] | 2.122 | 3D UB-LAM by Chen et al. [26] | 2.262 | 3D-LEM by Chen et al. [27] | 2.187 | 3D-FEM by Griffiths and Marquez [12] | 2.17 | 3D-FEM by Nian et al. [13] | 2.15 | 3D-FDM by Zhang et al. [14] | 2.18 | Present solution | 2.133 |
| 2 | 2D (average) by Fredlund and Krahn [24] | 1.383 | 3D-LEM CLARA by Hungr [25] | 1.62 | 3D LEM by Zhang [23] | 1.553 | 3D UB-LAM by Chen et al. [26] | 1.717 | 3D-LEM by Chen et al. [27] | 1.603 | 3D-FEM by Griffiths and Marquez [12] | 1.58 | 3D-FEM ABAQUS by Nian et al. [13] | 1.52 | Present solution | 1.512 |
| 3 | 2D (average) by Fredlund and Krahn [24] | 1.799 | 3D-FEM ABAQUS by Nian et al. [13] | 1.86 | Present solution | 1.813 |
| 4 | 2D (average) by Fredlund and Krahn [24] | 1.441 | 3D-FEM ABAQUS by Nian et al. [13] | 1.298 | Present solution | 1.287 |
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