Gas Seepage Model and Experiment Based on Bedding Effect of Fractured Coal Body

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Coal samples</td><td class="align_center"><i>y</i></td><td class="align_center"><i>x</i></td><td class="align_center"><i>R</i><sup>2</sup></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">P1</td><td class="align_center">0.2013</td><td class="align_center">−0.3740</td><td class="align_center">0.954</td></tr><tr><td class="align_left">P2</td><td class="align_center">0.2299</td><td class="align_center">−0.3686</td><td class="align_center">0.944</td></tr><tr><td class="align_left">V1</td><td class="align_center">0.0214</td><td class="align_center">−0.1353</td><td class="align_center">0.992</td></tr><tr><td class="align_left">V2</td><td class="align_center">0.0247</td><td class="align_center">−0.1364</td><td class="align_center">0.992</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Fitting results about the relationship between permeability and effective stress during the loading process.</div>

Mathematical Problems in Engineering

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Table 4

Table 4: Gas Seepage Model and Experiment Based on Bedding Effect of Fractured Coal Body 