Effect of Metakaolin as a Partial Replacement for Cement on the Compressive Strength of High Strength Concrete at Varying Water/Binder Ratios

International Journal of Civil Engineering

© 2019 by SSRG - IJCE Journal

Volume 6 Issue 1

Year of Publication : 2019

Authors : Egwuonwu, William, C, Iboroma, Z.S Akobo Barisua E. Ngekpe

10.14445/23488352/IJCE-V6I1P101

How to Cite?

Egwuonwu, William, C, Iboroma, Z.S Akobo Barisua E. Ngekpe, "Effect of Metakaolin as a Partial Replacement for Cement on the Compressive Strength of High Strength Concrete at Varying Water/Binder Ratios," SSRG International Journal of Civil Engineering, vol. 6,  no. 1, pp. 1-6, 2019. Crossref, https://doi.org/10.14445/23488352/IJCE-V6I1P101

Abstract:

This research examines the cementitious efficiency of Metakaolin, a supplementary cementitious material (SCM) in high strength concrete production. The mix design was carried out using the Absolute Volume method. The metakaolin was used to replace cement at 2.5%, 5%, 7.5% and 10% at various water/cementitious ratios of 0.20, 0.25, 0.30 and 0.35. The control mix was designed to establish a comparative basis between the mixture blended with Mk and ordinary cement concrete for all mixes. The superplasticizer was also kept constant in all mixes. Water-cementitious ratio and curing ages and the response variables (compressive strengths). The results indicated that the mix design adopted was appropriate for the production of HSC of compressive strength 95.33Mpa.

Keywords:

High Strength Concrete, Metakaolin, Compressive Strength, Absolute Volume Method Water/Binder ratio.

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