Research Article

Particle Swarm Optimization Algorithm Coupled with Finite Element Limit Equilibrium Method for Geotechnical Practices

Table 3

Factors of safety by the LEM, SSRM, and FELEM.

MethodFactor of safety

FELEM (Mohr-Coulomb principle)1.382
SSRM (Mohr-Coulomb principle)1.324
Simplified Bishop1.394
Spencer1.373