Performance of Coal Gangue-Based Cemented Backfill Material Modified by Water-Reducing Agents

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><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">MgO</td><td class="align_center">(Fe<sub>0.807</sub>Al<sub>0.193</sub>)(Al<sub>1.807</sub>Fe<sub>0.193</sub>)O<sub>4</sub></td><td class="align_center">Fe<sub>2</sub>O<sub>3</sub></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">63.8</td><td class="align_center">26.3</td><td class="align_center">4.4</td><td class="align_center">4.0</td><td class="align_center">1.5</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The main mineral content in fly ash.</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Performance of Coal Gangue-Based Cemented Backfill Material Modified by Water-Reducing Agents 