Behavior of HPC with Fly Ash after Elevated Temperature

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Concrete</td><td align="center" colspan="5">Temperature (°C)</td></tr><tr class="thead"><td align="center">200</td><td align="center">300</td><td align="center">400</td><td align="center">500</td><td align="center">500</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td align="left">C50</td><td align="center">
									100</td><td align="center">85.9</td><td align="center">81.8</td><td align="center">76.1</td><td align="center">61.2</td></tr><tr><td align="left">C60</td><td align="center">100</td><td align="center">92.2</td><td align="center">80.8</td><td align="center">69.3</td><td align="center">58.5</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Loss of the ultrasonic velocity of HPC at elevated temperature.

Advances in Materials Science and Engineering

tab6

Table 6

Table 6: Behavior of HPC with Fly Ash after Elevated Temperature 