Pruebas de resistencia a la flexotracción de un adoquín como material compuesto en concreto y cascarilla de café, para superficies de tránsito peatonal y vehicular liviano, según la norma NTC 2017

Abstract

The article is the product of the research Flexural strength tests of a cobblestone as a composite material in concrete and coffee husk for pedestrian and light vehicular traffic surfaces, developed at the Universidad Distrital Francisco José de Caldas, in 2022. The objective is to evaluate coffee husks as a partial substitute in the manufacture of a cobblestone according to the Colombian Technical Standard NTC 2017 Concrete cobblestones for Paving, as an ecological alternative that allows evaluating its viability. The design, manufacture and analysis of cobbles was developed under the Colombian Technical Standard 2017. The coffee husk employed for the manufacture of the cobblestones was used in mixtures equivalent to 10%, acting as a substitute for sand and cement. The experimental data gave as a result that the coffee husk mixture should be in a range of less than 10%, the Flexural Strength values increased significantly in comparison to the mixtures whose husk percentages were in ranges between 0.5 and 1.0% of coffee husk.