Pressure-Relief Mechanism and Application of Large-Diameter Boreholes in Coal Seams with Rockburst Hazard

<div>Curves of the energy and its frequency obtained based on MS monitoring. (a) MS monitoring data in December 2017. (b) MS monitoring data in January 2018.</div>

Geofluids

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Figure 9

Figure 9: Pressure-Relief Mechanism and Application of Large-Diameter Boreholes in Coal Seams with Rockburst Hazard 