Reliability Analysis of Expansive Soil Slope Stability Based on the Three-Broken Line Model

Table 4

Results computed of five expansive soil slopes.

Case	Reliability index						FS
	Normal			Lognormal			FS in this study	FS in the original paper
	Cov = 0.1	Cov = 0.3	Cov = 0.5	Cov = 0.1	Cov = 0.3	Cov = 0.5
1	6.21	2.07	1.24	8.85	2.84	1.57	1.99	1.98
2	0.52	0.17	0.1	0.46	0	0	1.04	1.1
3	4.04	1.35	0.81	4.96	1.52	0.76	1.49	1.5
4	1.6	0.53	0.32	1.69	0.43	0.11	1.17	1.29
5	6.27	2.09	1.25	9.05	2.91	1.62	2.05	1.9