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

Table 1

The depth of slip surfaces.

Rj (m)	yi (m)
	0.5	2	3.5	5	65
12	0.906	1.498	2.197	3.086	4.462
14	0.768	1.255	1.798	2.438	3.254
16	0.668	1.071	1.510	1.999	2.568
18	0.590	0.954	1.340	1.761	2.238
20	0.530	0.853	1.192	1.555	1.954