A Study on the Influence of Sodium Silicate Concentration and SiO<sub>2</sub> : Na<sub>2</sub>O Ratio on the Properties of Low-Calcium Fly Ash-Based Alkali-Activated Materials Cured at Ambient Condition

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td class="align_center" rowspan="2">Materials</td><td class="align_center" colspan="8">Chemical composition (% weight)</td></tr><tr class="thead"><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">CaO</td><td class="align_center">Na<sub>2</sub>O</td><td class="align_center">H<sub>2</sub>O</td><td class="align_center">K<sub>2</sub>O</td><td class="align_center">SG(g/cc)</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td class="align_center">Fly ash</td><td class="align_center">55.19</td><td class="align_center">25.35</td><td class="align_center">7.57</td><td class="align_center">4.06</td><td class="align_center"> </td><td class="align_center"> </td><td class="align_center"> </td><td class="align_center">2.33</td></tr><tr><td class="align_center">Standardized sand</td><td class="align_center">98.4</td><td class="align_center">0.41</td><td class="align_center">0.36</td><td class="align_center">0.16</td><td class="align_center">0.01</td><td class="align_center">&lt;0.2</td><td class="align_center">0.01</td><td class="align_center">2.64</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Specific gravity (S.G.), the chemical composition of materials in weight percentage (wt%) by XRF, and chemical analysis of standardized sand.</div>

Advances in Materials Science and Engineering

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Table 1

Table 1: A Study on the Influence of Sodium Silicate Concentration and SiO<sub>2</sub> : Na<sub>2</sub>O Ratio on the Properties of Low-Calcium Fly Ash-Based Alkali-Activated Materials Cured at Ambient Condition 

Table 1 | A Study on the Influence of Sodium Silicate Concentration and SiO2 : Na2O Ratio on the Properties of Low-Calcium Fly Ash-Based Alkali-Activated Materials Cured at Ambient Condition 