The Properties of a Coal Body and Prediction of Compound Coal-Rock Dynamic Disasters

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="2"> </td><td class="align_center">Parameters</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left" rowspan="2">Times</td><td class="align_center">No. 4 coal seam</td><td class="align_center">152</td></tr><tr><td class="align_center">No. 6 coal seam</td><td class="align_center">41</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left" rowspan="2">Maximum strength (t)</td><td class="align_center">No. 4 coal seam</td><td class="align_center">3500</td></tr><tr><td class="align_center">No. 6 coal seam</td><td class="align_center">160</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Compound coal-rock dynamic disasters in Donglin Coal Mine.</div>

Shock and Vibration

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Table 2

Table 2: The Properties of a Coal Body and Prediction of Compound Coal-Rock Dynamic Disasters 