Analysis of Failure Mechanism of Roadway Surrounding Rock under Thick Coal Seam Strong Mining Disturbance

Figure 11

Evolution process of the plastic zone in roadway surrounding rock in mining conditions. (a) 10 m. (b) 30 m. (c) 50 m. (d) 70 m. (e) 90 m.

(a)

(b)

(c)

(d)

(e)