Stability Analysis of a Steep Rock Slope in a Large Open-Pit Mine in a High-Intensity Area: A Case Study of the Yejiagou Boron Iron Mine

Table 3

Calculation results of the seepage stability of the slope sections.

Section number	Working condition	Sliding center		Slide-way radius (m)	Coefficient of stability	Safety factor limit
		(m)	(m)
1-1 section	Working condition 1	43.004	559.363	127.12	1.548	1.30
	Working condition 2	32.07	570.179	162.877	1.327	1.15
	Working condition 3	34.06	569.4	145.56	1.206	1.10
2-2 section	Working condition 1	70.157	463.653	36.317	1.155	1.30
	Working condition 2	73.048	460.429	32.963	1.325	1.15
	Working condition 3	75.399	457.808	30.418	1.061	1.10