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

Table 3

Roof displacement and stress values of the four schemes after the third step.

Schemes	Displacement (mm)	Shear stress (MPa)	Tensile stress (MPa)	Compressive stress (MPa)
Scheme 1	2.56	7.92	2.46	18.21
Scheme 2	2.42	8.23	2.28	20.67
Scheme 3	2.68	8.24	2.39	20.94
Scheme 4	2.55	8.51	2.07	20.22