Rock Mechanics Characteristics Test and Optimization of High-Efficiency Mining in Dajishan Tungsten Mine

<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">Rock classification</td><td class="align_center">Cohesion force</td><td class="align_center">Internal friction angle</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Surrounding rock</td><td class="align_center">6.9051</td><td class="align_center">29.382</td></tr><tr><td class="align_left">Ore rock</td><td class="align_center">15.4272</td><td class="align_center">11.497</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Calculation results of cohesive force and internal friction angle.</div>

Geofluids

tab4

Table 4

Table 4: Rock Mechanics Characteristics Test and Optimization of High-Efficiency Mining in Dajishan Tungsten Mine 