A Dynamic Intersecting Arrangement Model Based on Isolated Draw Zones for Stope Structure Optimization during Sublevel Caving Mining

Table 3

Comparison of the drawing effects with different IDZ arrangement models.

Number	Stope height (m)	Drift spacing (m)	Loss rate (%)	Dilution rate (%)
1	18	20	17.96	20.45
2	22.5	20.5	10.52	12.30
3	22.5	22.5	14.18	12.08