Ground Stress Distribution and Dynamic Pressure Development of Shallow Buried Coal Seam Underlying Adjacent Room Gobs

<div>Stress distribution contour when the working face advancing. (a) Working face advanced to 100 m. (b) Working face advanced to 200 m. (c) Working face advanced to 240 m.</div>

Shock and Vibration

fig8

Figure 8

Figure 8: Ground Stress Distribution and Dynamic Pressure Development of Shallow Buried Coal Seam Underlying Adjacent Room Gobs 