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World Journal of Engineering Research and Technology

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Engineering Research and Technology

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

ISSN 2454-695X

Impact Factor : 7.029

ICV : 79.45

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Indexing

Abstract

INFLUENCE OF SUPERPLASTICIZER ON THE COMPRESSIVE STRENGTH AND CHARACTERISTICS OF PALM KERNEL SHELL CONCRETE

B. S. Ojo*, O. Alake, O. O. Ekundayo, O. O. Faraiyibi and A. O. Adeleke

ABSTRACT

This research investigates the impact of superplasticizer on the compressive strength and properties of concrete incorporating palm kernel shell PKS as partial replacement for granite coarse aggregate. The study aimed to develop alternative aggregates for concrete production by examining the physical and mechanical properties of PKS and evaluating the effects of curing age, percentage replacements of PKS, and superplasticizer content on the compressive strength of the concrete. Concrete specimens were batched in a 1:2:4 ratio, with PKSpartially replacing granite coarse aggregate at 5, 10, 15, and 20. Superplasticizer was added at 0.5, 1, and 1.5 by weight of cement. The specimens were tested at 7, 14, 21, and 28 days of curing. Results showed that superplasticized PKS concrete exhibited slower strength development compared to plain concrete, with optimal strength at 5 PKS replacement and 1 superplasticizer at 28 days. The study concludes that PKS can serve as partial substitutes for granite aggregate in concrete, although further research is needed to optimize their usage.

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