ABSTRACT
Given the established incentive to produce more sustainable concrete, the application of alternative and environmentally preferential materials, such as limestone (LS) powder, as partial cement (OPC) replacement, can make a significant global contribution toward sustainability. This paper presents the sustainability aspect of this green concrete through its potential application in reinforced concrete slabs and columns. For that purpose, 26 experimentally verified, concrete mixtures with and without LS powder were evaluated using the multi-criteria decision analysis framework ECO2. The conducted analyses show the significant potential and competitiveness of concrete with reduced cement and high LS powder content and their potential application in all types of reinforced concrete structures. In the case of slabs, the best ECO2 score was obtained for concrete containing LS powder. In the second case, due to the nature of the structural performance requirements in columns, approximately equal sustainability potential of OPC and LS concretes was observed.
