Incorporating metakaolin in paving blocks: effect on physical and mechanical properties
International Journal of Pavement Engineering, 2023•Taylor & Francis
This article investigated the influence of the incorporation of metakaolin in paving blocks.
Two methods of incorporation were conducted in two factories. The first method consisted of
addition with 10, 15, 20, 25, and 30% metakaolin in relation to the amount of cement, and
the second one analysed the partial replacement of cement in the contents of 4, 8, and 10%.
The results showed that in mixtures with replacement, the metakaolin did not show
improvements in all properties. In contrast, in cases with addition, the compressive strength …
Two methods of incorporation were conducted in two factories. The first method consisted of
addition with 10, 15, 20, 25, and 30% metakaolin in relation to the amount of cement, and
the second one analysed the partial replacement of cement in the contents of 4, 8, and 10%.
The results showed that in mixtures with replacement, the metakaolin did not show
improvements in all properties. In contrast, in cases with addition, the compressive strength …
Abstract
This article investigated the influence of the incorporation of metakaolin in paving blocks. Two methods of incorporation were conducted in two factories. The first method consisted of addition with 10, 15, 20, 25, and 30% metakaolin in relation to the amount of cement, and the second one analysed the partial replacement of cement in the contents of 4, 8, and 10%. The results showed that in mixtures with replacement, the metakaolin did not show improvements in all properties. In contrast, in cases with addition, the compressive strength improved, and absorption was reduced. In both methods, the abrasion resistance did not change with the incorporation of metakaolin. Finally, the addition of 10% proved to be sufficient for application in paving blocks.
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