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

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Composition</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">Others</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Content (%)</td><td class="align_center">65.08</td><td class="align_center">22.36</td><td class="align_center">5.53</td><td class="align_center">3.46</td><td class="align_center">1.27</td><td class="align_center">2.3</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The chemical component of cement.</div>

Advances in Materials Science and Engineering

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Table 2

Table 2: Performance of Coal Gangue-Based Cemented Backfill Material Modified by Water-Reducing Agents 