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

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left">Chemical 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">SO<sub>3</sub></td><td class="align_center">f-CaO</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">Mass ratio</td><td class="align_center">62.58</td><td class="align_center">22.95</td><td class="align_center">5.32</td><td class="align_center">3.90</td><td class="align_center">2.06</td><td class="align_center">2.33</td><td class="align_center">0.86</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Chemical components and mineral composition of ordinary silicate cement.</div>

Advances in Materials Science and Engineering

tab2

Table 2

Table 2: Experimental Study on the Durability of Fly Ash-Based Filling Paste in Environments with Different Concentrations of Sulfates 