Experimental Study on Mechanical Properties of Freeze-Thaw Damaged Red Sandstone under Combined Dynamic and Static Loading

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Parameters</td><td class="align_center"><i>E</i><sub>0</sub></td><td class="align_center"><i>D</i><sub>0</sub></td><td class="align_center"><i>β</i></td><td class="align_center"><i>m</i></td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Freeze-thaw cycle is 0, axial pressure is 0 MPa, launch air pressure is 0.14 MPa</td><td class="align_center">35.8</td><td class="align_center">0</td><td class="align_center">0.0048</td><td class="align_center">2.8753</td></tr><tr><td class="align_left">Freeze-thaw cycle is 20, axial pressure is 20 MPa, launch air pressure is 0.14 MPa</td><td class="align_center">11.9</td><td class="align_center">0.34</td><td class="align_center">0.0092</td><td class="align_center">5.2141</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Shock and Vibration

tab4

Table 4

Table 4: Experimental Study on Mechanical Properties of Freeze-Thaw Damaged Red Sandstone under Combined Dynamic and Static Loading 