Study on Mechanism and Main Influencing Factors of Rockburst under Complex Conditions of Hard and Deep Overburden

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Uniaxial compressive strength (MPa)</td><td class="align_center">Dynamic failure time (ms)</td><td class="align_center">Impact energy index</td><td class="align_center">Elastic energy index</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">13.963</td><td class="align_center">1246</td><td class="align_center">2.483</td><td class="align_center">12.522</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Test result of the rockburst tendency of coal 8 in Xinzhuang Coal Mine.</div>

Shock and Vibration

tab2

Table 2

Table 2: Study on Mechanism and Main Influencing Factors of Rockburst under Complex Conditions of Hard and Deep Overburden 