Evaluation of physical mechanical properties in concrete pavers made with construction and demolition waste
DOI:
https://doi.org/10.33571/rpolitec.v18n36a1Palavras-chave:
Recycled coarse aggregate; paver; construction and demolition wastes; flexural tensile strength; water absorption.Resumo
In this study concrete pavers replacing natural coarse aggregate with recycled coarse aggregate were manufac-tured. The substitution percentages were 15%, 30% and 45%. The chief characteristics studied for coarse aggregate were particle size, bulk density and specific density. The chief characteristics studied in the pavers were water absorption, density and flexural strength. It was observed that the density of the pavers decreased by increasing percentage of recycled coarse aggregate replacement due to the due to the high porosity of the recycled aggregates. On the other hand, it was found that the pavers with a 15% substitution were the only ones that reached the average flexural tensile strength indicated in the standard. It was concluded that the manufactured pavers can be used in areas with high rainfall or high-water tables, as well as in car parks or sidewalks
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Copyright (c) 2022 Jhonatan Alexander Becerra-Duitama, Jhonattan Andrés Echeverría-Avella , Paula Andrea Galvis-Echeverría
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