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Metakaolin (MK) is a relatively new supplementary cementing material (SCM), in Federal University of Goias (UFG), in Brazil, since 2000’s several experiments were conducted with MK and other pozzolan, which results suggest that the overall good performance of highly reactivity metakaolin owes mainly to its fineness which leads to an enhancement of filler effect on concrete microstructure. Thus, a research conducted to verify the influence of physical, chemical and mineralogical characteristics of highly reactivity metakaolins in mechanical and durability related properties of concrete. In the present paper the changes in compressive strength and chloride migration caused by MK properties were assessed.

Influence of Different Types of Metakaolin on Compressive Strength and Chloride Migration of Concrete