Study on Roof Breakage-Induced Roadway Coal Burst in an Extrathick Steeply Inclined Coal Seam

<div>Tomography results in the test. (a) AE velocity distribution in the vertical direction. (b) AE velocity distribution in the horizontal direction.</div>

Shock and Vibration

fig7

Figure 7

Figure 7: Study on Roof Breakage-Induced Roadway Coal Burst in an Extrathick Steeply Inclined Coal Seam 