Comparative Study on Mineral-Scale Microcrack Propagation of Shale under Different Loading Methods

<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">Mineral</td><td class="align_center">Percentage</td><td class="align_center">Elastic modulus (GPa)</td><td class="align_center">Poisson’s ratio</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Quartz</td><td class="align_center">30</td><td class="align_center">40</td><td class="align_center">0.21</td></tr><tr><td class="align_left">Feldspar</td><td class="align_center">30</td><td class="align_center">35</td><td class="align_center">0.23</td></tr><tr><td class="align_left">Kaolinite</td><td class="align_center">20</td><td class="align_center">22</td><td class="align_center">0.25</td></tr><tr><td class="align_left">Illite</td><td class="align_center">20</td><td class="align_center">18</td><td class="align_center">0.24</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mineral composition and parameters of CPE4 of different minerals.</div>

Advances in Civil Engineering

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Table 1

Table 1: Comparative Study on Mineral-Scale Microcrack Propagation of Shale under Different Loading Methods 