Study on Durability of Concrete under Alkali-Aggregate Reaction

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td class="align_left">Chemical composition</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">Na<sub>2</sub>O</td><td class="align_center">K<sub>2</sub>O</td><td class="align_center">MgO</td><td class="align_center">Fe<sub>2</sub>O<sub>3</sub></td><td class="align_center">CaO</td><td class="align_center">Total</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td class="align_left">Coal ash</td><td class="align_center">48.06</td><td class="align_center">34.53</td><td class="align_center">0.44</td><td class="align_center">0.81</td><td class="align_center">0.77</td><td class="align_center">3.75</td><td class="align_center">5.90</td><td class="align_center">94.26</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main chemical composition of coal ash.</div>

Geofluids

tab2

Table 2

Table 2: Study on Durability of Concrete under Alkali-Aggregate Reaction 