Abstract
In recent years, the use of natural fibers in concrete has gained considerable attention due to their potential as a sustainable alternative to conventional steel reinforcements. This paper investigates the strength performance of natural fiber-reinforced recycled aggregate concrete using copper slag as a replacement for fine aggregate. The natural fibers used in this study were extracted from sisal and coconut coir. The experimental program involved casting and testing cube, cylinder, and prism specimens to study the strength performance on various proportions of concrete mix design. The specimens were tested for compressive, tensile, and flexural strength at 28 days of maturity. The results showed that the addition of natural fibers significantly improved the strength performance of the recycled aggregate concrete. Furthermore, the replacement of fine aggregate with copper slag improved the microstructure in terms of effective bonding and formation of a denser mix.
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The authors are thankful to the faculty members and staff of the Department of Civil Engineering, for their assistance during experimentation.
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Sureshraja Kandasamy; Manimaran Sellamuthu; Aghilesh Karunakaran: conceptualization, methodology, investigation, formal analysis, and writing—original draft, methodology and data acquisition.
Dr. Padmanaban Ilangovan; Ramadevi Kanagaraj: supervision, writing, review, and editing.
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Kandasamy, S., Ilangovan, P., Kanagaraj, R. et al. Effect of sisal and coconut fibers on the strength performance of recycled aggregate concrete using copper slag. Int J Adv Manuf Technol 130, 731–737 (2024). https://doi.org/10.1007/s00170-023-12695-1
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DOI: https://doi.org/10.1007/s00170-023-12695-1