Silica Fume and Nanosilica Effects on Mechanical and Shrinkage Properties of Foam Concrete for Structural Application

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Water-binder ratio</td><td class="align_center" rowspan="2">Sand-cement ratio</td><td class="align_center" rowspan="2">FA</td><td class="align_center" rowspan="2">Lime (%)</td><td class="align_center" colspan="2">Compressive strength (MPa)</td><td class="align_center" colspan="2">Flexural strength (MPa)</td></tr><tr class="thead"><td class="align_center">7 days</td><td class="align_center">28 days</td><td class="align_center">7 days</td><td class="align_center">28 days</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">0.22</td><td class="align_center">1.0</td><td class="align_center">25%</td><td class="align_center">2.0</td><td class="align_center">17.7</td><td class="align_center">26.9</td><td class="align_center">5.1</td><td class="align_center">7.0</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Optimal mix proportion and strength.</div>

Advances in Materials Science and Engineering

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Table 7

Table 7: Silica Fume and Nanosilica Effects on Mechanical and Shrinkage Properties of Foam Concrete for Structural Application 