Short-Term Gradation Loading Creep Properties and Failure Characteristics of High-Strength Fly Ash Concrete for Underground Engineering

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td class="align_left">Materials</td><td class="align_center">SiO<sub>2</sub> (%)</td><td class="align_center">Al<sub>2</sub>O<sub>3</sub> (%)</td><td class="align_center">Fe<sub>2</sub>O<sub>3</sub> (%)</td><td class="align_center">CaO (%)</td><td class="align_center">MgO (%)</td><td class="align_center">Na<sub>2</sub>O (%)</td><td class="align_center">K<sub>2</sub>O (%)</td><td class="align_center">SO<sub>3</sub> (%)</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td class="align_left">Cement</td><td class="align_center">21.6</td><td class="align_center">4.13</td><td class="align_center">4.57</td><td class="align_center">64.44</td><td class="align_center">1.06</td><td class="align_center">0.11</td><td class="align_center">0.56</td><td class="align_center">1.74</td></tr><tr><td class="align_left">Fly ash</td><td class="align_center">54.9</td><td class="align_center">25.8</td><td class="align_center">6.9</td><td class="align_center">8.7</td><td class="align_center">1.8</td><td class="align_center">0.3</td><td class="align_center">0.1</td><td class="align_center">0.6</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Chemical composition of the cementitious materials.</div>

Advances in Civil Engineering

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Table 1

Table 1: Short-Term Gradation Loading Creep Properties and Failure Characteristics of High-Strength Fly Ash Concrete for Underground Engineering 