Research on the Deformation Law and Stress Distribution Characteristics of Overburden under the Influence of Multiple Faults

Figure 6

Coal seam advancing process: (a) excavated 20 m; (b) excavated 60 m; (c) excavated 75 m; (d) excavated 105 m; (e) end of excavation.

(a)

(b)

(c)

(d)

(e)