Acoustic Emission Characteristics and Damage Evolution of Sandstone with Different Pores under External Load

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Lithology</td><td class="align_center">Volume (cm<sup>3</sup>)</td><td class="align_center">Semaphore</td><td class="align_center">Porosity (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">QSY<sub><i>X</i></sub></td><td class="align_center">196.25</td><td class="align_center">1,867</td><td class="align_center">3.92</td></tr><tr><td class="align_left">QSY<sub><i>Z</i></sub></td><td class="align_center">196.25</td><td class="align_center">1,826</td><td class="align_center">4.34</td></tr><tr><td class="align_left">FSY<sub><i>X</i></sub></td><td class="align_center">196.25</td><td class="align_center">1,413</td><td class="align_center">3.01</td></tr><tr><td class="align_left">FSY<sub><i>Z</i></sub></td><td class="align_center">196.25</td><td class="align_center">924</td><td class="align_center">3.64</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Nuclear magnetic porosity test results of sandstone with different pores.</div>

Advances in Civil Engineering

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Table 1

Table 1: Acoustic Emission Characteristics and Damage Evolution of Sandstone with Different Pores under External Load 