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

<div>Numerical simulation results: (a) anchor net support; (b) anchor network cable is cooperatively supported; (c) after the high-pressure water jet roadway gang decompression on the basis of cooperative support.</div>

Shock and Vibration

fig13

Figure 13

Figure 13: Study on Occurrence Mechanism of Coal Pillar in L-Shaped Zone during Fully Mechanized Mining Period and Prevention Technology 