Mechanical Properties of the Hard Sandstone Fracture Surface under Hydrochemical Corrosion

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Mineral compositions</td><td class="align_center">Clay mineral</td><td class="align_center">SiO<sub>2</sub></td><td class="align_center">Al<sub>2</sub>O<sub>3</sub></td><td class="align_center">MgO</td><td class="align_center">CaO</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Content (%)</td><td class="align_center">12.6~18.6</td><td class="align_center">72~75.9</td><td class="align_center">12.7~15.2</td><td class="align_center">0.15~0.24</td><td class="align_center">0.29~0.42</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mineral composition analysis of sandstone specimens.</div>

Journal of Engineering

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Table 1

Table 1: Mechanical Properties of the Hard Sandstone Fracture Surface under Hydrochemical Corrosion 