Development of Sustainable Performance Index (SPI) for Self-Compacting Concretes
作者： A. Suchith Reddy , P. Rathish Kumar , P. Anand Raj
DOI: 10.1016/J.JOBE.2019.100974
关键词:
摘要: Abstract Selecting a preferred material among pool of alternatives to perform as desired is crucial task for promoting sustainability. Evaluation performance considering subjectivity and conflicting criteria the major concern stakeholders in construction Multi-Criteria Decision problem. Investigating sustainable Supplementary Cementitious Material (SCM) multi-dimensional interdependent target-based decision making. The present study has developed an approach, Sustainable Preference Index (SPI) selecting optimum cementitious fresh hardened properties, durability, service life Life-Cycle Cost (LCC) aspects. A case been considered illustrate approach by varying Fly ash (FA) Ground Granulated Blast Furnace Slag (GGBS) 20%, 30%, 40% weight cement Self Compacting Concrete (SCC). Among seven mixes, alternative SCC could be identified based on SPI. For GGBS SCC, highest SPI found 0.893, which 30.2% more than conventional SCC. This simple lucid will facilitate designers engineers prioritize choose right achieve
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