Abstract
This study aims to use fly ash as cement substitute and ceramic waste tile (CWT) as substitute for fine aggregate (FA), for creating self-compacting concrete (SCC). Fly ash content is kept constant at 30%, and CWT is used in varying proportions of 0%, 10%, 20%, 30% and 40% to create the self-compacting concrete mixtures. Total of five mixtures were cast along with one control mixture. The fresh characteristics were assessed using slump flow, U-box, T500 time, V-funnel and L-box experiments, while the mechanical characteristics was assessed using the compressive strength. The outcomes indicate that the fly ash has a positive impact on the fresh characteristics, whereas CWT affects the fresh characteristics of SCC negatively.In ceramic based SCC mixture, use of fly ash as a partial substitute to cement reduced the harmful effects of the CWT particles to a certain extent on the fresh characteristics. SCC mixture created with combined use of 30% fly ash and 30% CWT (i.e. F30C30 mix) exhibited the highest compressive strength.
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