Performance and Microstructural Analysis of Lightweight Concrete Blended with Nanosilica under Sulfate Attack

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Sample</td><td class="align_center">Compressive strength at 7 days (MPa)</td><td class="align_center">Compressive strength at 28 days (MPa)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">PEC5-0</td><td class="align_center">8.1 ± 1.9</td><td class="align_center">10.4 ± 1.3</td></tr><tr><td class="align_left">PEC5-10</td><td class="align_center">12.4 ± 3.4</td><td class="align_center">9.9 ± 2.9</td></tr><tr><td class="align_left">ALC5-0</td><td class="align_center">23.8 ± 0.1</td><td class="align_center">26.3 ± 1.5</td></tr><tr><td class="align_left">ALC5-10</td><td class="align_center">15.2 ± 2.5</td><td class="align_center">22.1 ± 1.0</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Compressive strength of LWC manufactured with perlite (PEC) and with aliven (ALC) to 7 and 28 days with and without addition of NS.</div>

Advances in Civil Engineering

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Table 3

Table 3: Performance and Microstructural Analysis of Lightweight Concrete Blended with Nanosilica under Sulfate Attack 