The Investigation of Strength and Water Absorption of Self-Compacting Concrete by Inclusion of Metakaolin and Calcined Kaolin

Abstract

In this study, commercially available high reactivity Czech metakaolin and calcined impure local kaolin were used for production Self Compacting Concrete SCC samples and some hardened properties of these concretes have been investigated. Four types of SCC mixtures were prepared with 0%, 5% and 10% replacement level of Metakaoline and calcined kaolin with including control mixture without any mineral admixtures. Only Portland Cement PC was used for production of the control mixture and this mixture was produced with the purpose of comparison. The highest compressive strength value was obtained as 83.5 MPa with 10% replacement level of Metakaolin. The lowest water penetration depth was also calculated as 3.5 mm with 10% replacement level of Metakaolin. The compressive strength and water penetration tests showed that the best strength and durability performance values obtained from mixtures with 10% replacement level of Metakaolin.

Keywords

• Self compacting concrete,Czech metakaolin,Calcined kaolin.

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