Influence of Coconut Shell Particles Grades as Partial Replacement of Coarse Aggregate on Concrete Properties

International Journal of Civil Engineering

© 2021 by SSRG - IJCE Journal

Volume 8 Issue 11

Year of Publication : 2021

Authors : Trokon Cooper Herring, Joseph Thuo, Timothy Nyomboi

10.14445/23488352/IJCE-V8I11P103

How to Cite?

Trokon Cooper Herring, Joseph Thuo, Timothy Nyomboi, "Influence of Coconut Shell Particles Grades as Partial Replacement of Coarse Aggregate on Concrete Properties," SSRG International Journal of Civil Engineering, vol. 8,  no. 11, pp. 13-23, 2021. Crossref, https://doi.org/10.14445/23488352/IJCE-V8I11P103

Abstract:

The increasing population has led to a global shortage of raw materials for concrete production. As a cheap and eco-friendly alternative to coarse aggregate in concrete, coconut shells can be used as a partial replacement. Although coconut shell aggregate has been studied in concrete, the study integrating coconut shells of varying grades in concrete is still unclear. In this research, the effect of coconut shell variable particles in concrete is investigated. The coconut shells were crushed and sieved (5 to 14 mm and 5 to 20 mm) and used in concrete as a partial replacement of coarse aggregate. The properties of concrete were all investigated. Five coarse aggregate replacement levels of 5%, 10%, 15%, 20%, and 25% were studied in contrast to control concrete. The material properties were also determined. The inclusion of coconut shell particles (CSP) 5-14 mm reduced workability compared to CSP 5-20 mm and control concrete. The CSP (5-14 mm) had a substantial impact on density, water absorption, compressive strength, and split tensile strength of the concrete after 28 and 56 days of curing. Thus, CSP 5-20 mm has a less negative effect on concrete properties. CSP 5-14 mm and 5-20 mm can partially replace coarse aggregate up to 10% and 15% in concrete, respectively.

Keywords:

Control concrete, coconut shell particles, density, workability, water absorption, strength.

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