The slope stability problem is an important issue for the safety of human beings and structures. The stability analysis of the three-dimensional (3D) slope is essential to prevent landslides, but the most important and difficult problem is how to determine the 3D critical slip surface with the minimum factor of safety in earth slopes. Basing on the slope stress field with the finite element method, a stability analysis method is proposed to determine the critical slip surface and the corresponding safety factor of 3D soil slopes. Spherical and ellipsoidal slip surfaces are considered through the analysis. The moment equilibrium is used to compute the safety factor combined with the Mohr-Coulomb criteria and the limit equilibrium principle. Some assumptions are introduced to reduce the search range of center points and the radius of spheres or ellipsoids. The proposed method is validated by a classical 3D benchmark soil slope. Simulated results indicate that the safety factor of the benchmark slope is 2.14 using the spherical slip surface and 2.19 using the ellipsoidal slip surface, which is close to the results of previous methods. The simulated results indicate that the proposed method can be used for the stability analysis of a 3D soil slope.
Frontiers Determining the Critical Slip Surface of Slope by Vector Sum Method Based on Strength Reduction Definition
GEOMETRY AND FINITE ELEMENT MESH OF YASHIGOU DAM
Modification of the gravity increase method in slope stability
Geometry of slope – test problem 2.
Frontiers Analysis of Slope Stability in Unsaturated Expansive
Determining the Critical Slip Surface of Three-Dimensional Soil Slopes from the Stress Fields Solved Using the Finite Element Method
Three-dimensional slope stability analysis method based on perturbation displacement isosurface
Three-dimensional nonhomogeneous slope failure analysis by the
Geometry of slope – test problem 2.
Frontiers Determining the Critical Slip Surface of Slope by Vector Sum Method Based on Strength Reduction Definition
Analysis of the Maierato landslide (Calabria, Southern Italy
Comparison of the time evolution of the normalised (meridional +
Slope stability analysis methods
Frontiers Determining the Critical Slip Surface of Slope by Vector Sum Method Based on Strength Reduction Definition
