Purpose designation of recycled fine aggregate in high-strength ECC: Roles of internal curing and artificial flaw

Key Points

• Enhanced mechanical properties observed with recycled fine aggregate under internal curing conditions.
• The study highlights the specific role of artificial flaws in optimizing ECC performance.
• Assessment of internal curing's impact on recycled aggregates through targeted testing and comparisons with traditional materials.
• Supports the sustainable use of materials by integrating recycled fine aggregates in high-strength ECC applications.