Theoretical Investigation of the Sliding Instability and Caving Depth of Coal Wall Workface Based on the Bishop Strip Method

Table 3

The calculation results of safety factors of 25 slip surfaces.

Rj (m)	yi (m)
	0.5	2	3.5	5	65
12	0.597	0.777	1.055	1.749	3.508
14	0.678	0.840	1.053	1.574	2.142
16	0.767	0.877	1.117	1.514	2.198
18	0.853	0.830	0.896	1.129	1.391
20	0.864	0.992	1.210	1.560	2.174