Research Article
Dynamic Monitoring and Research on the Evolution of the Damage of Weakly Consolidated Coal Floor under Dynamic Pressure Using Distributed Optical Fiber
Figure 13
Working face is 86.7 m away from the orifice (a). Working face is 48.0 m away from the orifice (b). Working face is 23.0 m away from the orifice (c). Working face is 12.6 m away from the orifice (d).
(a) |
(b) |
(c) |
(d) |