Freeze-Thaw Durability of Air-Entrained Concrete

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td align="left">Number of freeze-thaw cycles</td><td align="center">0</td><td align="center">100</td><td align="center">200</td><td align="center">300</td><td align="center">400</td></tr><tr><td align="left">Loss of the ultrasonic velocity (%)</td><td align="center">100</td><td align="center">97.7</td><td align="center">97.6</td><td align="center">91.0</td><td align="center">84.7</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Decreasing percentage of the ultrasonic velocity after freeze-thaw cycles.

The Scientific World Journal

tab4

Table 4

Table 4: Freeze-Thaw Durability of Air-Entrained Concrete 