Research Article
Study on the Formation Mechanism of Rock Burst Caused by Seam Floor Slip under an Ultrathick Conglomerate
Figure 1
Photos of roadway’s damage after the “12.22”event in the 13230 working face. (a) Transport gateway before “12.22″event. (b) Transport gateway when “12.22″event.
(a) |
(b) |
(c) |