Research on the Effect of Curing Temperature, Steel Fiber, and Admixture Content on Concrete Performance Based on Orthogonal Test in Cold Region

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Age of concrete</td><td class="align_center" colspan="4">Correlation coefficient of compressive strength and various factors</td></tr><tr class="thead"><td class="align_center">Curing temperature</td><td class="align_center">Steel fiber content</td><td class="align_center">Water reducing agent content</td><td class="align_center">Accelerating agent content</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">0.9999</td><td class="align_center">0.9038</td><td class="align_center">−0.8831</td><td class="align_center">0.7859</td></tr><tr><td class="align_left">3</td><td class="align_center">0.8036</td><td class="align_center">−0.0393</td><td class="align_center">−0.4471</td><td class="align_center">−0.6483</td></tr><tr><td class="align_left">7</td><td class="align_center">0.9672</td><td class="align_center">−0.3306</td><td class="align_center">0.2110</td><td class="align_center">−0.9287</td></tr><tr><td class="align_left">28</td><td class="align_center">0.9143</td><td class="align_center">−0.3148</td><td class="align_center">0.5687</td><td class="align_center">−0.57</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The compressive strength of concrete specimens is correlated with various factors.</div>

Advances in Materials Science and Engineering

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Table 7

Table 7: Research on the Effect of Curing Temperature, Steel Fiber, and Admixture Content on Concrete Performance Based on Orthogonal Test in Cold Region 

Table 7 | Research on the Effect of Curing Temperature, Steel Fiber, and Admixture Content on Concrete Performance Based on Orthogonal Test in Cold Region 