Mechanism and Control of Cable Breakage in a Roadway with Thick Top Coal in a Rockburst Mine

Figure 8

Stress condition of cable under different excavation distance. (a) Excavate 3 m. (b) Excavate 6 m. (c) Excavate 9 m. (d) Excavate 12 m.

(a)

(b)

(c)

(d)