Numerical Computation of Homogeneous Slope Stability

Table 1

Comparison of safety factor calculated by different methods.

Number	Slope angle (°)	(m)	(kPa)	(°)	(kN/m^3)	Method	FOS	(m)	(m)
1	39.0	210.0	300.0	25.0	23.0	VMM	1.23	12.7	307.4
						PSO	1.24	12.5	307.2
						EM	1.23	12.9	307.1
2	26.6	13.5	57.5	7.0	17.3	AM1	2.08	—	—
						PSO	2.04	13.3	21.2
						EM	2.04	13.4	21.2
3	18.4	20.0	10.0	20.0	18.0	AM2	1.49	16.4	57.5
						PSO	1.49	16.3	54.7
						EM	1.49	16.4	57.5
4	26.6	12.0	29.0	20.0	19.2	OM	1.93	—	—
						PSO	1.89	8.1	20.1
						EM	1.89	8.1	20.0
5	26.6	25	10	26.6	20	GA	1.33	0	68.8
						PSO	1.31	4.3	58.4
						EM	1.31	4.5	58.0