Investigation on Surrounding Rock Stability Control Technology of High Stress Roadway in Steeply Dipping Coal Seam

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Classification type</td><td class="align_center">Characteristics of roof types</td><td class="align_center">Roof support form</td><td class="align_center">Support form of roadway side</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">I</td><td class="align_center">Broken loose roof</td><td class="align_center">Hydraulic expansion bolt + shed support</td><td class="align_center">Shed support + anchor cable support</td></tr><tr><td class="align_left">II</td><td class="align_center">Crack through roof</td><td class="align_center">Short bolt + Anchor cable</td><td class="align_center">Short bolt + short anchor cable</td></tr><tr><td class="align_left">III</td><td class="align_center">Fractured roof</td><td class="align_center">Bolt + Anchor cable</td><td class="align_center">Bolt + short anchor cable</td></tr><tr><td class="align_left">IV</td><td class="align_center">Partially complete roof</td><td class="align_center"> </td><td class="align_center"> </td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The main support forms of mining roadway.</div>

Advances in Civil Engineering

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Table 5

Table 5: Investigation on Surrounding Rock Stability Control Technology of High Stress Roadway in Steeply Dipping Coal Seam 