A Study of Rockburst Hazard Evaluation Method in Coal Mine

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Support type</td><td class="align_center">AEC rating</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">No bolts</td><td class="align_center">1</td></tr><tr><td class="align_left">Rock bolts </td><td class="align_center">2</td></tr><tr><td class="align_left">Cable bolts</td><td class="align_center">3</td></tr><tr><td class="align_left">Rock bolts and cable bolts</td><td class="align_center">4</td></tr><tr><td class="align_left">Rock bolts and mesh</td><td class="align_center">5</td></tr><tr><td class="align_left">Rock bolts, cable bolts, and mesh</td><td class="align_center">6</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Absorbed energy capacity scale for ground support.

Shock and Vibration

tab2

Table 2

Table 2: A Study of Rockburst Hazard Evaluation Method in Coal Mine 