Effect of Steel Fibres and Low Calcium Fly Ash on Mechanical and Elastic Properties of Geopolymer Concrete Composites

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Strength</td><td align="center"><span style="width: 21px;"><svg height="18.362499" id="M32" style="vertical-align:-5.76984pt" version="1.1" viewbox="0 0 21 18.362499" width="21" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,12.675,15.188)"><path d="M619 670q0 -13 -9 -26t-18 -19q-13 -10 -25 2q-36 38 -66 38q-31 0 -54.5 -50t-45.5 -185h120l-20 -31l-107 -12q-23 -138 -57 -293q-27 -122 -55 -184.5t-75 -109.5q-60 -61 -114 -61q-25 0 -47.5 15t-22.5 31q0 17 31 44q11 8 20 -1q10 -11 31 -19t35 -8q26 0 47 19
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</svg></span></td><td align="center">Maximum strength (MPa)</td><td align="center">Percentage increase in strength (%) </td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left"><span style="width: 23.1px;"><svg height="17.4" id="M33" style="vertical-align:-4.15504pt" version="1.1" viewbox="0 0 23.1 17.4" width="23.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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t60.5 43z" id="x63"></path></g><g transform="matrix(.012,-0,0,-.012,16.091,17.2)"><path d="M518 50v-26q-32 -4 -77 -16l-37 -11t-33 -9l-6 6v71q-56 -42 -74 -52q-43 -25 -77 -25q-55 0 -89.5 36.5t-34.5 112.5v196q0 38 -6.5 48.5t-26.5 15.5l-28 6v23q19 1 72 7q59 9 71 11q-3 -31 -3 -145v-135q0 -113 88 -113q59 0 108 48v234q0 38 -8 49t-34 15l-36 6v23
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</svg></span></td><td align="center">0.2</td><td align="center">37.55</td><td align="center">29.98</td></tr><tr><td align="left"><span style="width: 21.112499px;"><svg height="17.4" id="M34" style="vertical-align:-4.15504pt" version="1.1" viewbox="0 0 21.112499 17.4" width="21.112499" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">0.2</td><td align="center">4.16</td><td align="center">30.00</td></tr><tr><td align="left"><span style="width: 26.7125px;"><svg height="20.3125" id="M35" style="vertical-align:-6.49602pt" version="1.1" viewbox="0 0 26.7125 20.3125" width="26.7125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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t60.5 43z" id="x63"></path></g><g transform="matrix(.012,-0,0,-.012,16.199,17.2)"><path d="M478 437v-26q-39 -6 -53 -17.5t-35 -54.5q-12 -24 -26.5 -59.5l-44 -107.5l-55.5 -134q-86 -205 -103 -270q-6 -25 -32 -25q-21 0 -38.5 15t-17.5 33q0 19 25 37q40 24 75 88q18 34 31 69q7 20 -2 45q-67 191 -114 306q-17 43 -31.5 56.5t-54.5 18.5v26h202l1 -26
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</svg></span></td><td align="center">0.2</td><td align="center">4.37</td><td align="center">30.35</td></tr><tr><td align="left"><span style="width: 24.1px;"><svg height="17.4" id="M36" style="vertical-align:-4.15504pt" version="1.1" viewbox="0 0 24.1 17.4" width="24.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,10.975,17.2)"><path d="M152 404l81 35q23 10 41 10q81 0 139 -61.5t58 -149.5q0 -107 -74.5 -178.5t-176.5 -71.5q-71 0 -147 36v555q0 48 -9.5 59.5t-56.5 15.5v23q79 10 145 35v-308zM152 374v-258q0 -20 6 -35q7 -19 30 -37t58 -18q63 0 99.5 50t36.5 137q0 82 -43.5 131t-108.5 49
q-44 0 -78 -19z" id="x62"></path></g><g transform="matrix(.012,-0,0,-.012,17.127,17.2)"><path d="M517 51v-25q-101 -18 -155 -38v65l-61 -36q-50 -29 -78 -29q-68 0 -126.5 58t-58.5 155q0 103 77 175.5t180 72.5q36 0 67 -12v143q0 48 -11.5 58.5t-65.5 14.5v25q79 9 156 34v-597q0 -38 7.5 -48t36.5 -13zM362 85v275q-35 51 -103 51q-20 0 -40.5 -8.5t-42 -28
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</svg></span></td><td align="center">0.2</td><td align="center">14.05</td><td align="center">16.11</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Optimum fibre content and maximum percentage increase in various strengths.

Indian Journal of Materials Science

tab9

Table 9

Table 9: Effect of Steel Fibres and Low Calcium Fly Ash on Mechanical and Elastic Properties of Geopolymer Concrete Composites 