Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance

Figure 13

Distribution of surrounding rock stress along the direction of excavation. Roadway excavation was (a) 10 m, (b) 20 m, (c) 30 m, (d) 40 m, and (e) 47 m.

(a)

(b)

(c)

(d)

(e)