Numerical Simulation of Parameters Optimization for Goaf Gas Boreholes

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Lithology</td><td class="align_center"><i>a</i></td><td class="align_center"><i>b</i></td><td class="align_center"><i>c</i></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Hard rock</td><td class="align_center">1.2</td><td class="align_center">2.0</td><td class="align_center">8.9</td></tr><tr><td class="align_left">Medium hard rock</td><td class="align_center">1.6</td><td class="align_center">3.6</td><td class="align_center">5.6</td></tr><tr><td class="align_left">Soft rocks</td><td class="align_center">3.1</td><td class="align_center">5.0</td><td class="align_center">4.0</td></tr><tr><td class="align_left">Top soft rocks</td><td class="align_center">5.0</td><td class="align_center">8.0</td><td class="align_center">3.0</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Value table of undetermined constants <i>a</i>, <i>b</i>, and <i>c</i>.</div>

Advances in Civil Engineering

tab1

Table 1

Table 1: Numerical Simulation of Parameters Optimization for Goaf Gas Boreholes 