[Retracted] Empirical Investigation on Compressive Strength of Geopolymer and Conventional Concretes by Nondestructive Method

<table class="table-group" id="tab10"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Concrete mix</td><td class="align_center" colspan="3">Rebound no.</td></tr><tr class="thead"><td class="align_center">7 days</td><td class="align_center">14 days</td><td class="align_center">28 days</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Mix 1</td><td class="align_center">33</td><td class="align_center">25</td><td class="align_center">26</td></tr><tr><td class="align_left">Mix 2</td><td class="align_center">36</td><td class="align_center">28</td><td class="align_center">29</td></tr><tr><td class="align_left">Mix 3</td><td class="align_center">38</td><td class="align_center">31</td><td class="align_center">30</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

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Table 10

Table 10: [Retracted] Empirical Investigation on Compressive Strength of Geopolymer and Conventional Concretes by Nondestructive Method 