An Experimental Study on the Microstructures of Cemented Paste Backfill during Its Developing Process

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td class="align_left">Compositions</td><td class="align_center">CaO</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">MgO</td><td class="align_center">SO<sub>2</sub></td><td class="align_center">Na<sub>2</sub>O</td><td class="align_center">Other</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td class="align_left">Percentage</td><td class="align_center">63.66</td><td class="align_center">21.26</td><td class="align_center">4.50</td><td class="align_center">2.80</td><td class="align_center">1.66</td><td class="align_center">2.58</td><td class="align_center">0.18</td><td class="align_center">2.66</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main chemical compositions of P.O. 32.5 Portland cement.</div>

Advances in Civil Engineering

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Table 4

Table 4: An Experimental Study on the Microstructures of Cemented Paste Backfill during Its Developing Process 