Mixture Ratio Design Optimization of Coal Gangue-Based Geopolymer Concrete Based on Modified Gravitational Search Algorithm

<table class="table-group" id="tab11"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Strength grades</td><td class="align_center">C30</td><td class="align_center">C35</td><td class="align_center">C40</td><td class="align_center">C45</td><td class="align_center">C50</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Economic costs</td><td class="align_center">176.49</td><td class="align_center">195.53</td><td class="align_center">214.47</td><td class="align_center">225.40</td><td class="align_center">234.79</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Economic cost optimization of different strength grades coal gangue-based geopolymer concrete based on Chebyshev mapping optimization (yuan/m<sup>3</sup>).</div>

Advances in Civil Engineering

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Table 11

Table 11: Mixture Ratio Design Optimization of Coal Gangue-Based Geopolymer Concrete Based on Modified Gravitational Search Algorithm 