A New Method for Controlling Rockbursts in the Mining Roadway of Ultrathick Coal Seams Based on the Dual Pressure Relief Method

<div>The distribution of the energy density in the working face after dual pressure relief. (a) Nephogram of energy density. (b) The average energy density.</div>

Shock and Vibration

fig12

Figure 12

Figure 12: A New Method for Controlling Rockbursts in the Mining Roadway of Ultrathick Coal Seams Based on the Dual Pressure Relief Method 