Determination of the Ultimate Underground Mining Depth considering the Effect of Granular Rock and the Range of Surface Caving

Figure 5

The simulation nephograms for vertical displacement. (a) 190 m level. (b) 150 m level. (c) 130 m level. (d) 110 m level. (e) 90 m level. (f) 70 m level. (g) 50 m level.

(a)

(b)

(c)

(d)

(e)

(f)

(g)