Stress Analysis of Negative Coal Pillar Gob-Side Entry and Its Principle of Preventing Rock Burst

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Roadway layout</td><td class="align_center">Stored energy (<i>U</i><sub>S</sub>)</td><td class="align_center">Energy consumption (<i>U</i><sub>B</sub>)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Narrow coal pillar gob-side entry</td><td class="align_center">More</td><td class="align_center">Less</td></tr><tr><td class="align_left">NCPG</td><td class="align_center">Less</td><td class="align_center">More</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Qualitative comparison of energy.</div>

Shock and Vibration

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Table 4

Table 4: Stress Analysis of Negative Coal Pillar Gob-Side Entry and Its Principle of Preventing Rock Burst 