Evaluación de la resistencia a la compresión y flexión del concreto modificado con fragmentos de residuos neumáticos

Libia Julio Galvis; Fernando Figueredo Negrete; Luis Laguna Álvarez

doi:10.31637/epsir-2025-1267

Authors

Libia Julio Galvis Corporación Universitaria Remington https://orcid.org/0000-0003-4213-1271
Fernando Figueredo Negrete Corporación Universitaria Remington https://orcid.org/0000-0002-8865-9672
Luis Laguna Álvarez Corporación Universitaria Remington https://orcid.org/0009-0000-9626-0592

DOI:

https://doi.org/10.31637/epsir-2025-1267

Keywords:

tire, concrete mixture, compressive strength, flexural strength, concrete aggregates, mechanical properties, waste management, recycling

Abstract

Introduction: The exploration of alternatives for the creation of aggregates and their reuse as industrial byproducts has been the spotlight of many engineering research. In this study, the effect of partial substitution of sand and gravel by tire particles on the mechanical properties of compressive and flexural strength of concrete was evaluated. Methodology: The mixtures were prepared by replacing in volumetric proportions of 0%, 25%, 50% and 75% with tire particles the fine aggregate (sand) and coarse aggregate (gravel); it also included mixtures prepared in a 25%:25% and 50%:50% combination of fine and coarse aggregates with tire particles. Results: Compressive and flexural strength showed a reduction when aggregates were replaced by tire particles. The substitution of the fine aggregate in the lowest proportion (25&) offers a feasible and sustainable alternative for non-structural uses, since it presents a smaller variation in the properties evaluated. Discussion: The incorporation of tires decreases the mechanical properties due to the low internal adhesion between the tire particles and the cement matrix. Conclusions: The particulate tire in the manufacture of concrete constitutes an effective strategy to reduce the consumption of large quantities of natural aggregates and mitigate its environmental impact.

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Author Biographies

Libia Julio Galvis, Corporación Universitaria Remington

PhD in chemistry, chemist, with a general area of activity in exact sciences, chemistry, physical chemistry and organic chemistry, specialising in organic physical chemistry. Ability to adequately address qualitative and quantitative chemical determination in various matrices (food, alcoholic beverages, drinking water). Experience in studies focused on the development of alternative aggregates as an option for total or partial replacement of natural aggregates in the production of concrete.

Fernando Figueredo Negrete, Corporación Universitaria Remington

Project management specialist, chemist, experience in the implementation of computational techniques for the solution, prediction and recognition of complex patterns in research problems in chemistry, physics, biology, medicine or environment. Skills in the area of technology and optimisation of available resources for planning, design of experiments and efficient handling of data volumes and processing.

Luis Laguna Álvarez , Corporación Universitaria Remington

Seventh semester student of Environmental Engineering.
Academic bachelor's degree. Competence in MATLAB/Octave programming language.
Experience in the formulation of participatory projects in multicultural contexts. Participation in formative research processes, analysis of results, scientific writing and on-site concrete sampling.

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