Stability Analysis of Retaining Wall in Backfilled Stope Based on Catastrophe Theory and Numerical Analysis

Table 2

State of retaining wall with different thickness.

Retaining wall thickness (m)	Splitting variable		State
8	-2.12	2.91	Stable
7	-1.96	2.28	Stable
6	-1.81	1.98	Stable
5	-1.66	1.57	Stable
4	-1.28	0.93	Stable
3	-0.99	-0.03	Unstable
2	-0.80	-0.59	Unstable