Multifactor Evaluation of Multiple Service Support and Optimization of Working Resistance of New Support Based on Dynamic Pressure

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Number</td><td class="align_center">1</td><td class="align_center">2</td><td class="align_center">3</td><td class="align_center">4</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Roof control effect standard</td><td class="align_center">Excellent</td><td class="align_center">Good</td><td class="align_center">Medium</td><td class="align_center">Poor</td></tr><tr><td class="align_left">Roof subsidence Δ<i>h</i><sub><i>i</i></sub> (mm)</td><td class="align_center">0∼150</td><td class="align_center">151∼250</td><td class="align_center">251∼400</td><td class="align_center">&gt;400</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Roof control effect standard of 103 working face.</div>

Shock and Vibration

tab3

Table 3

Table 3: Multifactor Evaluation of Multiple Service Support and Optimization of Working Resistance of New Support Based on Dynamic Pressure 