Toughness Calculation of Postfire Normal Concrete

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="452763.fig.006a" src="https://static.hindawi.com/articles/amse/volume-2014/452763/figures/452763.fig.006a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>The tendency of <svg height="19.9625" id="M151" style="vertical-align:-3.276pt" version="1.1" viewbox="0 0 26.825001 19.9625" width="26.825001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="452763.fig.006b" src="https://static.hindawi.com/articles/amse/volume-2014/452763/figures/452763.fig.006b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>The tendency of <svg height="17.725" id="M153" style="vertical-align:-3.276pt" version="1.1" viewbox="0 0 26.762501 17.725" width="26.762501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,13.587)"><path d="M764 650l-7 -26q-61 -10 -91.5 -22.5t-76.5 -48.5l-235 -184q104 -152 208 -276q31 -37 54.5 -48.5t68.5 -16.5l-7 -28h-156q-138 170 -213 284q-19 29 -33.5 35t-33.5 -7l-29 -173q-15 -75 -5.5 -90.5t74.5 -20.5l-5 -28h-260l7 28q58 5 74 21.5t30 89.5l70 378
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</svg></td></tr></table></td></tr></table>

<table>The tendency of residual fracture toughness with heating temperatures <svg height="15.8375" id="M150" style="vertical-align:-3.39066pt" version="1.1" viewbox="0 0 21.4625 15.8375" width="21.4625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>.</table>

Advances in Materials Science and Engineering

Toughness Calculation of Postfire Normal Concrete

Figure 6