An Improved Monte Carlo Method Based on Neural Network and Fuzziness Analysis: A Case Study of the Nanpo Dump of the Chengmenshan Copper Mine

Table 6

Reliability calculation results of different limit equilibrium methods.

Type of limit equilibrium method		Janbu simplified	Ordinary (Fellenius)	Bishop simplified	Spencer
Original MCS method	RI	1.035	1.288	2.266	2.246
	Pf	15.02%	9.74%	1.14%	1.3%
MCS method with stable membership function of safety factor added	RI	0.34	0.4067	0.4272	0.4097
	Pf	36.85%	34.21%	33.46%	34.1%