Experiment and Mechanism Investigation on Freezing-Thawing of Sandstone with Different Water Contents

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Fitting function</td><td class="align_center"><i>R</i><sup>2</sup></td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Polynomial fit</td><td class="align_center">0.96945</td></tr><tr><td class="align_left">Linear fit</td><td class="align_center">0.95134</td></tr><tr><td class="align_left">Exponential fit</td><td class="align_center">0.97439</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The function and <i>R</i><sup>2</sup> used to fit UCS and <i>ω</i>.</div>

Shock and Vibration

tab2

Table 2

Table 2: Experiment and Mechanism Investigation on Freezing-Thawing of Sandstone with Different Water Contents 