Experimental Study on Mechanical Properties of Cemented Paste Backfill under Temperature-Chemical Coupling Conditions

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left">Composition</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">Fe<sub>2</sub>O<sub>3</sub></td><td class="align_center">CaO</td><td class="align_center">MgO</td><td class="align_center">Na<sub>2</sub>O</td><td class="align_center">K<sub>2</sub>O</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">Content (%)</td><td class="align_center">59.1</td><td class="align_center">18.9</td><td class="align_center">4.3</td><td class="align_center">2.36</td><td class="align_center">1.41</td><td class="align_center">0.43</td><td class="align_center">1.89</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The main chemical composition of coal gangue (%).</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Experimental Study on Mechanical Properties of Cemented Paste Backfill under Temperature-Chemical Coupling Conditions 