Numerical Simulation of Surface Subsidence and Backfill Material Movement Induced by Underground Mining

Figure 13

Horizontal stress evolution of ground surface, ore body, and pillar. (a) Ground surface of hanging wall (A2). (b) Ground surface of footwall (B2). (c) Ore body (D2). (d) Insulating pillar.

(a)

(b)

(c)

(d)