Mesoscopic Freeze-Thaw Damage Evolution Characteristics of Fractured Sandstone at Different Saturations

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">FT</td><td class="align_center" colspan="5">Fracture volume (mm<sup>3</sup>)</td></tr><tr class="thead"><td class="align_center">A</td><td class="align_center">B</td><td class="align_center">C</td><td class="align_center">D</td><td class="align_center">E</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">0</td><td class="align_center">11.7</td><td class="align_center">17.0</td><td class="align_center">22.8</td><td class="align_center">23.4</td><td class="align_center">23.2</td></tr><tr><td class="align_left">30</td><td class="align_center">12.9</td><td class="align_center">19.4</td><td class="align_center">27.9</td><td class="align_center">30.0</td><td class="align_center">31.8</td></tr><tr><td class="align_left">60</td><td class="align_center">15.2</td><td class="align_center">24.7</td><td class="align_center">37.8</td><td class="align_center">40.5</td><td class="align_center">52.2</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The fracture volume values of five sandstone samples with different saturation.</div>

Geofluids

tab2

Table 2

Table 2: Mesoscopic Freeze-Thaw Damage Evolution Characteristics of Fractured Sandstone at Different Saturations 