Study on Occurrence Mechanism of Coal Pillar in L-Shaped Zone during Fully Mechanized Mining Period and Prevention Technology

<div>Synergistic effect of prevention rock burst: (a) after the high-pressure water jet roadway gang decompression on the basis of cooperative support; (b) schematic diagram of high-pressure water jet roadway gang decompression.</div>

Shock and Vibration

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Figure 12

Figure 12: Study on Occurrence Mechanism of Coal Pillar in L-Shaped Zone during Fully Mechanized Mining Period and Prevention Technology 