Optimization of Stope Structural Parameters Based on Mathews Stability Graph Probability Model

Table 4

Volume of the plastic zone after the third step.

Schemes	Shear failure volume (m³)	Tensile failure volume (m³)
Scheme 1	1212.54	0.00094
Scheme 2	164.886	0.00170
Scheme 3	177.965	0.00127
Scheme 4	157.505	0.00470