Research Article

Investigation into Mechanism of Floor Dynamic Rupture by Evolution Characteristics of Stress and Mine Tremors: A Case Study in Guojiahe Coal Mine, China

Figure 10

The contour map of stress concentration factor. The floor dynamic rupture occurred in region B.
(a) March 23–March 29
(b) March 30–April 4
(c) April 5–April 9
(d) April 10–April 14