Experimental Investigation of Dynamic Compression Mechanical Properties of Frozen Fine Sandstone

<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">Temperature <i>T</i> (°C)</td><td class="align_center"><i>a</i> (MPa·s)</td><td class="align_center"><i>b</i> (MPa)</td><td class="align_center">Correlation coefficient <i>R</i><sup>2</sup></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">−15</td><td class="align_center">0.582</td><td class="align_center">41.024</td><td class="align_center">0.97</td></tr><tr><td class="align_left">−20</td><td class="align_center">0.635</td><td class="align_center">20.078</td><td class="align_center">0.98</td></tr><tr><td class="align_left">−30</td><td class="align_center">0.749</td><td class="align_center">4.303</td><td class="align_center">0.87</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Fitting parameters for the peak stress and the strain rate.</div>

Advances in Civil Engineering

tab4

Table 4

Table 4: Experimental Investigation of Dynamic Compression Mechanical Properties of Frozen Fine Sandstone 