An Experimental Study on the Basic Mechanical Properties and Compression Size Effect of Rubber Concrete with Different Substitution Rates

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Parameter values</td><td class="align_center" colspan="5">Rubber (%)</td></tr><tr class="thead"><td class="align_center">0</td><td class="align_center">10</td><td class="align_center">20</td><td class="align_center">30</td><td class="align_center">40</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left"><i>σ</i><sub>∞</sub></td><td class="align_center">16.99</td><td class="align_center">13.34</td><td class="align_center">12.06</td><td class="align_center">8.72</td><td class="align_center">8.30</td></tr><tr><td class="align_left"><i>D</i><sub><i>b</i></sub></td><td class="align_center">53.06</td><td class="align_center">39.88</td><td class="align_center">28.95</td><td class="align_center">25.73</td><td class="align_center">22.53</td></tr><tr><td class="align_left"><i>R</i><sup>2</sup></td><td class="align_center">0.99953</td><td class="align_center">0.99913</td><td class="align_center">0.99535</td><td class="align_center">0.99987</td><td class="align_center">0.99617</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mathematical regression parameter values of the size effect law of rubber concrete.</div>

Advances in Civil Engineering

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Table 4

Table 4: An Experimental Study on the Basic Mechanical Properties and Compression Size Effect of Rubber Concrete with Different Substitution Rates 