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

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Composition</td><td class="align_center">Ca<sub>2.87</sub>Fe<sub>0.13</sub>(SiO<sub>3</sub>)<sub>3</sub></td><td class="align_center">Fe<sub>3</sub>(Si, Fe)<sub>2</sub>O<sub>5</sub>(OH)<sub>4</sub></td><td class="align_center">Al<sub>2</sub>Si<sub>2</sub>O<sub>5</sub>(OH)<sub>4</sub></td><td class="align_center">SiO<sub>2</sub></td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Content (%)</td><td class="align_center">34.3</td><td class="align_center">26.8</td><td class="align_center">23.9</td><td class="align_center">14.9</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The main mineral content in Xinyang coal gangue of Fenxi Coal Mine group (%).</div>

Advances in Materials Science and Engineering

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Table 1

Table 1: Performance of Coal Gangue-Based Cemented Backfill Material Modified by Water-Reducing Agents 