Application of nano waste particles in concrete for sustainable construction: a comparative study

Nano particles contribute as a partial substitute in the production of eco-friendly building materials. This research presents quantitative assessment sustainability effect partially replacing cement green concrete mix with two types nano-waste particles. The is achieved using weighing criteria developed by Sustainable Decision Support System (SDSS) model. assesses alternatives scoring systems based on both Life Cycle Assessment (LCA) technique and Multi-Criteria decision analysis method. Ten sustainable aspects comprising four features: environmental, social, economic, technological are incorporated within study investigates substitution carbon nano tubes (CNT) rice husk ash (RHA) compared to control mix. RHA showed best results for all factors. was attributed negligible RHA’s life cycle indexes an agricultural residue natural material. Substituting 5% content contributed minimising emissions energy consumed during manufacturing phase. CNT expensive its consumes high amount thus negatively final evaluation result although proportion minimal.