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Based on the full-bodied scientiic consensus that climate warming is occurring on Earth, signiicant environmental and economic beneits may be obtained from cement content reduction in concrete, naming reduction in CO2 emissions, energy consumption, and construction costs. In contrast, standard limestone aggregate may experience an increase in mining rate. The objective of this study was to propose the reduction of cement content in concrete framed by aggregate optimization as a viabledoi:10.29183/2447-3073.mix2018.v4.n3.23-30 fatcat:juo3iqrhfjgbdfnmvtdahrepje