[Retracted] Multiobjective Optimization Management of Construction Engineering Based on Ant Colony Algorithm

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Carbon emission source</td><td class="align_center">Carbon emission factor</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Water</td><td class="align_center">0.86 kg CO2/t</td></tr><tr><td class="align_left">Electric energy</td><td class="align_center">0.9987 kg CO2/(kW·h)</td></tr><tr><td class="align_left">Gasoline</td><td class="align_center">2.93 kg CO2/kg</td></tr><tr><td class="align_left">Diesel oil</td><td class="align_center">3.10 kg CO2/kg</td></tr><tr><td class="align_left">Concrete</td><td class="align_center">(C30) 321.30 kg CO2/m3</td></tr><tr><td class="align_left">Grouting material</td><td class="align_center">513.56 kg CO2/m3</td></tr><tr><td class="align_left">Cement</td><td class="align_center">740.60 kg CO2/t</td></tr><tr><td class="align_left">Sand</td><td class="align_center">2.79 kg CO2/t</td></tr><tr><td class="align_left">Worker breathing</td><td class="align_center">1.72 kg CO2/(person·work day)</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Journal of Control Science and Engineering

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Table 2

Table 2: [Retracted] Multiobjective Optimization Management of Construction Engineering Based on Ant Colony Algorithm 