Spatial and Temporal Distribution Law and Influencing Factors of the Mining-Induced Deformation and Failure of Gas Boreholes

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Supporting scheme</td><td class="align_center">Roadway roof</td><td class="align_center">Roadway sidewall on nonmining side</td><td class="align_center">Filling zone roof</td><td class="align_center">Filling wall</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">Seven bolts</td><td class="align_center">Seven bolts</td><td class="align_center">None</td><td class="align_center">C20</td></tr><tr><td class="align_left">2</td><td class="align_center">Seven bolts + three cables</td><td class="align_center">Seven bolts + two cables</td><td class="align_center">Three bolts</td><td class="align_center">C30</td></tr><tr><td class="align_left">3</td><td class="align_center">Seven bolts + seven cables</td><td class="align_center">Seven bolts + three cables</td><td class="align_center">Three bolts + three cables</td><td class="align_center">C40</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Three different support schemes.</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Spatial and Temporal Distribution Law and Influencing Factors of the Mining-Induced Deformation and Failure of Gas Boreholes 