Study on the Damage Model of Coal Rock Caused by Hydraulic Pressure and Electrical Impulse in Borehole

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">No.</td><td class="align_center">Hydrostatic pressure/MPa</td><td class="align_center">Voltage/kV</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">3.0</td><td class="align_center">7</td></tr><tr><td class="align_left">2</td><td class="align_center">3.0</td><td class="align_center">9</td></tr><tr><td class="align_left">3</td><td class="align_center">3.0</td><td class="align_center">11</td></tr><tr><td class="align_left">4</td><td class="align_center">3.0</td><td class="align_center">13</td></tr><tr><td class="align_left">5</td><td class="align_center">1.0</td><td class="align_center">11</td></tr><tr><td class="align_left">6</td><td class="align_center">4.0</td><td class="align_center">11</td></tr><tr><td class="align_left">7</td><td class="align_center">6.0</td><td class="align_center">11</td></tr><tr><td class="align_left">8</td><td class="align_center">8.0</td><td class="align_center">11</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Test schemes for different hydrostatic pressures and different voltages.</div>

Geofluids

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Table 2

Table 2: Study on the Damage Model of Coal Rock Caused by Hydraulic Pressure and Electrical Impulse in Borehole 