Experimental Study on the Durability of Fly Ash-Based Filling Paste in Environments with Different Concentrations of Sulfates

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Solid ratio (cement : fly ash)</td><td class="align_center">Test type</td><td class="align_center">Sample specifications</td><td class="align_center">Concentration of sodium sulfate solution</td><td class="align_center">Curing temperature (°C)</td><td class="align_center">Relative humidity (%)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left" rowspan="2">1 : 4</td><td class="align_center">Uniaxial compression test</td><td class="align_center">100 × 100 mm</td><td class="align_center">0%, 5%,</td><td class="align_center" rowspan="2">25</td><td class="align_center" rowspan="2">90</td></tr><tr><td class="align_center">XRD experiment</td><td class="align_center">&lt;74 <i>μ</i>m</td><td class="align_center">10%, 15%</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Experimental design to determine the effect of sulfate on the durability of filling paste.</div>

Advances in Materials Science and Engineering

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Table 4

Table 4: Experimental Study on the Durability of Fly Ash-Based Filling Paste in Environments with Different Concentrations of Sulfates 