Optimization of Support and Relief Parameters for Deep-Buried Metal Mine Roadways

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Density (kg·m<sup>-3</sup>)</td><td class="align_center">Bulk (GPa)</td><td class="align_center">Shear (GPa)</td><td class="align_center">Friction (°)</td><td class="align_center">Cohesion (MPa)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Rock mass</td><td class="align_center">2700</td><td class="align_center">11.63</td><td class="align_center">5.84</td><td class="align_center">29</td><td class="align_center">0.5</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mechanical parameter of the rock mass.</div>

Geofluids

tab4

Table 4

Table 4: Optimization of Support and Relief Parameters for Deep-Buried Metal Mine Roadways 