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

Table 3

Comparison results of different reliability calculation methods.

Method	Reliability		Deviation from MCS (%)		Time (s)
	Normal	Lognormal	Normal	Lognormal	Normal	Lognormal
MCS	2.69	2.98	—	—	38.7	157.4
Spreadsheet method	2.67	3.04	0.7	2	0.2	1.1
RSM (with “SOLVER”)	2.67	2.95	0.7	1.0	2.3	18.1
This paper	2.67	2.96	0.7	0.6	0.02	0.04