Optimization and Hydration Mechanism of Composite Cementing Material for Paste Filling in Coal Mines

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Material</td><td class="align_center" colspan="5">Chemical constituents (%)</td><td class="align_center" colspan="4">Mineral compositions (%)</td></tr><tr class="thead"><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">SO<sub>3</sub></td><td class="align_center">C<sub>3</sub>S</td><td class="align_center">C<sub>2</sub>S</td><td class="align_center">C<sub>3</sub>A</td><td class="align_center">C<sub>4</sub>AF</td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td class="align_left">Portland cement</td><td class="align_center">21.38</td><td class="align_center">4.23</td><td class="align_center">3.58</td><td class="align_center">66.49</td><td class="align_center">0.1</td><td class="align_center">59.95</td><td class="align_center">12.02</td><td class="align_center">5.94</td><td class="align_center">13.53</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Chemical and mineral compositions of portland cement.</div>

Advances in Materials Science and Engineering

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Table 1

Table 1: Optimization and Hydration Mechanism of Composite Cementing Material for Paste Filling in Coal Mines 