Study of Durability of Concrete with Fly Ash as Fine Aggregate under Alternative Interactions of Freeze-Thaw and Carbonation

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Test mode</td><td class="align_center" colspan="4">Test program</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Freeze-thaw and carbonation (FC)</td><td class="align_center">Freeze-thaw cycle 50 times</td><td class="align_center">60°C, drying for 2 d</td><td class="align_center">Carbonation environment 5 d</td><td class="align_center" rowspan="4">4 cycles</td></tr><tr><td class="align_left">Carbonation and freeze-thaw (CF)</td><td class="align_center">Carbonation environment 5 d</td><td class="align_center">Tap water, immersing for 4 d</td><td class="align_center">Freeze-thaw cycle 50 times</td></tr><tr><td class="align_left">Single freeze-thaw (F)</td><td class="align_left"> </td><td class="align_center">Freeze-thaw cycle 50 times</td><td class="align_left"> </td></tr><tr><td class="align_left">Single carbonation (C)</td><td class="align_left"> </td><td class="align_center">Carbonation environment for 5d</td><td class="align_left"> </td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Civil Engineering

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Table 4

Table 4: Study of Durability of Concrete with Fly Ash as Fine Aggregate under Alternative Interactions of Freeze-Thaw and Carbonation 