Comparison of the Flexural Performance and Behaviour of Fly-Ash-Based Geopolymer Concrete Beams Reinforced with CFRP and GFRP Bars

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Type</td><td class="align_center">Bar diameter (mm)</td><td class="align_center">Area <i>A</i><sub>f</sub> (mm<sup>2</sup>)</td><td class="align_center">Ultimate tensile stress <i>f</i><sub>fu</sub> (MPa)</td><td class="align_center">Elastic modulus <i>E</i><sub>f</sub> (GPa)</td><td class="align_center">Ultimate strain (%)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">GFRP bars</td><td class="align_center">6</td><td class="align_center">28</td><td class="align_center">1280</td><td class="align_center">46</td><td class="align_center">2.7</td></tr><tr><td class="align_left">CFRP bars</td><td class="align_center">6</td><td class="align_center">28</td><td class="align_center">2000</td><td class="align_center">148</td><td class="align_center">1.4</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

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Table 1

Table 1: Comparison of the Flexural Performance and Behaviour of Fly-Ash-Based Geopolymer Concrete Beams Reinforced with CFRP and GFRP Bars 