Influence of Palm Oil Fuel Ash and W/B Ratios on Compressive Strength, Water Permeability, and Chloride Resistance of Concrete

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr class="thead"><td class="align_left">Sample</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">CaO</td><td class="align_center">MgO</td><td class="align_center">K<sub>2</sub>O</td><td class="align_center">Na<sub>2</sub>O</td><td class="align_center">SO<sub>3</sub></td><td class="align_center">LOI</td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td class="align_left">Cement</td><td class="align_center">20.9</td><td class="align_center">4.8</td><td class="align_center">3.8</td><td class="align_center">65.4</td><td class="align_center">1.2</td><td class="align_center">0.4</td><td class="align_center">0.2</td><td class="align_center">2.7</td><td class="align_center">1.0</td></tr><tr><td class="align_left">Ground POFA</td><td class="align_center">55.4</td><td class="align_center">9.1</td><td class="align_center">5.5</td><td class="align_center">12.4</td><td class="align_center">4.6</td><td class="align_center">—</td><td class="align_center">—</td><td class="align_center">2.3</td><td class="align_center">7.9</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Chemical composition<b>s </b>of the ground POFA and Type I Portland cement.

Advances in Materials Science and Engineering

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Table 2

Table 2: Influence of Palm Oil Fuel Ash and W/B Ratios on Compressive Strength, Water Permeability, and Chloride Resistance of Concrete 