Ingeniería Civil y Mecánica

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Author: search.filters.author.Villacrés Tirado, Vladimir JonathanSubject: search.filters.subject.HORMIGÓN RECICLADO

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    Análisis del módulo de elasticidad estático en base a la resistencia a la compresión del hormigón fabricado con agregado grueso de materiales reciclados obtenidos de las escombreras y su comparación con hormigones preparados en condiciones normales
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2023-07) Villacrés Tirado, Vladimir Jonathan; Navarro Peñaherrera, Carlos Patricio
    Due to the need to know the properties of the concrete, specifically the static modulus of elasticity elaborated with recycled concrete coarse aggregate, based on the compressive strength, the obtaining of a formula for its calculation, and its comparison with one made with coarse aggregates under normal conditions, the following analysis is carried out. For this purpose, tests were carried out to obtain the characteristics and mechanical properties of the aggregates from recycled concrete from the "Acosta" mine. Once the necessary data were obtained by means of the optimum density method, the mixture was designed to meet the specified strengths of 21 Mpa and 28 Mpa at the age of 28 days, then concrete specimens were made in cylinders of 10 cm diameter x 20 cm high using Holcim GU type hydraulic cement, without additives. Triaxial simple compression tests were carried out at 28 days after the concrete had set and, in accordance with ASTM C469, the static modulus of elasticity corresponding to each specimen was obtained. They were compared with the modulus of elasticity calculated with the equation established by ACI 318. Finally, practical equations are proposed that allow the calculation of the static modulus of elasticity of concrete, as a function of strength, for concrete made with coarse aggregates from recycled concrete.