Abstract
This study aims to elucidate the impact of drying on the internal curing effect of fine aggregates derived from roof-tile waste in steam-cured fly ash concrete. The research examines the compressive strength, mass loss, surface moisture content, and surface air permeability of the concrete under two conditions: conventional steam curing (followed by exposure to air) and six-day sealed curing post-steam curing. Additionally, pore size distributions were exclusively evaluated for concrete exposed to air post-steam curing. Results indicate that drying after steam curing negatively affects the internal curing by porous ceramic roof-tile waste. Nonetheless, internal curing effectively mitigated the negative impact of drying on the surface layer of steam-cured concrete.
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