Application and Principle of Bolt-Mesh-Cable Control Technology in Extremely Soft Coal Seam Roadway

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Supporting method</td><td class="align_center" colspan="3">Tensile stress zone/m</td><td class="align_center" colspan="2">Maximum tension stress</td></tr><tr class="thead"><td class="align_center">Roof</td><td class="align_center">Floor</td><td class="align_center">Ribs</td><td class="align_center">Value/MPa</td><td class="align_center">Position</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Nonsupport</td><td class="align_center">2</td><td class="align_center">4</td><td class="align_center">3</td><td class="align_center">0.8</td><td class="align_center">Floor</td></tr><tr><td class="align_left">Shed-cable</td><td class="align_center">0.6</td><td class="align_center">4</td><td class="align_center">0.8</td><td class="align_center">1</td><td class="align_center">Floor</td></tr><tr><td class="align_left">Bolt-mesh-cable</td><td class="align_center">0</td><td class="align_center">2</td><td class="align_center">0</td><td class="align_center">0.6</td><td class="align_center">Floor</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Distribution characteristics of tensile stress zone of the surrounding rock under different supports.</div>

Geofluids

tab5

Table 5

Table 5: Application and Principle of Bolt-Mesh-Cable Control Technology in Extremely Soft Coal Seam Roadway 