Numerical Simulation Research and Application of Support Design of Broken Rock Mass in Submarine Gold Mine

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Supporting position</td><td class="align_center">Support way</td><td class="align_center">U-shaped steel (bolt) row number</td><td class="align_center">Support length<br/>(m)</td><td class="align_center">Total support costs (yuan) (including labor costs)</td><td class="align_center">Support unit price (yuan/m) (including labor costs)</td><td class="align_center">Construction personnel</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">−212 m level</td><td class="align_center">Bolt-mesh-spurting supporting</td><td class="align_center">9</td><td class="align_center">7</td><td class="align_center">5,640.5</td><td class="align_center">805.79</td><td class="align_center">Drilling and bolt installation 2; net 3</td></tr><tr><td class="align_left">−228 m level</td><td class="align_center">U-shaped steel support</td><td class="align_center">8</td><td class="align_center">8.6</td><td class="align_center">15,338.2</td><td class="align_center">1,783.5</td><td class="align_center">10</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison table under different supporting conditions.</div>

Advances in Civil Engineering

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Table 7

Table 7: Numerical Simulation Research and Application of Support Design of Broken Rock Mass in Submarine Gold Mine 