Investigation of Microstructural Damage in Ultrahigh-Performance Concrete under Freezing-Thawing Action

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Plain UHPC</td><td class="align_center">UHPC-1%</td><td class="align_center">UHPC-2%</td><td class="align_center">UHPC-3%</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Before freezing-thawing tests</td><td class="align_center">1.67%</td><td class="align_center">2.12%</td><td class="align_center">1.94%</td><td class="align_center">2.84%</td></tr><tr><td class="align_left">After freezing-thawing tests</td><td class="align_center">2.39%</td><td class="align_center">2.73%</td><td class="align_center">2.56%</td><td class="align_center">3.12%</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Total volume fraction of defects in UHPC specimens before and after freezing-thawing tests.</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Investigation of Microstructural Damage in Ultrahigh-Performance Concrete under Freezing-Thawing Action 