Energy Evolution Characteristics and Distribution Laws of Rock Materials under Triaxial Cyclic Loading and Unloading Compression

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left"><i><i>σ</i></i><sub>3</sub> (MPa)</td><td class="align_center">Rock specimens</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">0</td><td class="align_center">U-1#, U-2#, U-3#</td></tr><tr><td class="align_left">5</td><td class="align_center">1#, 2#, 3#</td></tr><tr><td class="align_left">10</td><td class="align_center">4#, 5#, 6#</td></tr><tr><td class="align_left">15</td><td class="align_center">7#, 8#, 9#</td></tr><tr><td class="align_left">20</td><td class="align_center">10#, 11#, 12#</td></tr><tr><td class="align_left">25</td><td class="align_center">13#, 14#, 15#</td></tr><tr><td class="align_left">30</td><td class="align_center">16#, 17#, 18#</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Triaxial cyclic loading-unloading experimental schemes of sandstone specimens.

Advances in Materials Science and Engineering

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Table 1

Table 1: Energy Evolution Characteristics and Distribution Laws of Rock Materials under Triaxial Cyclic Loading and Unloading Compression 