Average Fracture Energy for Crack Propagation in Postfire Concrete

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="143208.fig.009a" src="https://static.hindawi.com/articles/amse/volume-2013/143208/figures/143208.fig.009a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Curve fitting for specimen of ambient temperature</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="143208.fig.009b" src="https://static.hindawi.com/articles/amse/volume-2013/143208/figures/143208.fig.009b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Curve fitting for specimen of 200°C</td></tr></table></td></tr></table>

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<g transform="matrix(.017,-0,0,-.017,.062,11.113)"><path d="M619 482q0 -69 -40.5 -119t-96 -72.5t-118.5 -26.5h-44l-70 20l-31 -151q-14 -67 0.5 -83t89.5 -22l-5 -28h-287l8 28q65 7 81.5 22t29.5 83l79 398q12 56 0.5 70.5t-78.5 20.5l7 28h255q108 0 164 -43t56 -125zM524 478q0 141 -146 141q-25 0 -47 -8q-16 -6 -20.5 -13.5
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</svg>-CMOD tail curve fitting of specimens.</table>

Advances in Materials Science and Engineering

Average Fracture Energy for Crack Propagation in Postfire Concrete

Figure 9