Research on the Influence of Weak Interlayer in Open-Pit Slope on Stability

Table 2

Factor-of-safety of the slope after softening of different weak layers.

	Factor-of-safety
	Ordinary	Bishop	Janbu	Janbu generalized
Dry slope	1.068	1.100	1.068	1.109
Weak layer 1 softening	0.689	0.613	0.607	0.713
Weak layer 2 softening	0.950	0.971	0.912	1.048
Weak layer 3 softening	1.068	1.100	1.068	1.109