Investigating Trends and Costs Associated with Designing Concrete Mixes Using Different Methods by Computer Programs

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Mix proportions</td><td class="align_center" rowspan="2">Manual</td><td class="align_center" rowspan="2">Program</td><td class="align_center" colspan="2">Variation</td></tr><tr class="thead"><td class="align_center">Numeric</td><td class="align_center">%</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Cement (kg/m<sup>3</sup>)</td><td class="align_center">390</td><td class="align_center">390</td><td class="align_center">0</td><td class="align_center">0</td></tr><tr><td class="align_left">Water (kg/m<sup>3</sup>)</td><td class="align_center">195</td><td class="align_center">195</td><td class="align_center">0</td><td class="align_center">0</td></tr><tr><td class="align_left">FA (kg/m<sup>3</sup>)</td><td class="align_center">726</td><td class="align_center">728.99</td><td class="align_center">−2.99</td><td class="align_center">−0.41</td></tr><tr><td class="align_left">CA (kg/m<sup>3</sup>)</td><td class="align_center">1089</td><td class="align_center">1078.8</td><td class="align_center">10.2</td><td class="align_center">0.94</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison between manual and program results for the ACI 211 method.</div>

Advances in Civil Engineering

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Table 3

Table 3: Investigating Trends and Costs Associated with Designing Concrete Mixes Using Different Methods by Computer Programs 