Comparación de la resistencia a la compresión de un concreto convencional sustituyendo en un 25% y 50% el agregado grueso por material cerámico reciclado Iquitos – 2023
Date
2024-06-17
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Universidad Científica del Perú
Abstract
El presente estudio tiene como objetivo comparar las resistencias de testigos de concreto elaborados con dos tipos de agregados (Piedra chancada de ¾” y cerámica reciclada) y dos relaciones A/C (0.60 y 0.62) sustituyendo el agregado grueso en un 25% y 50%.
Para realizar esta investigación se elaboraron especímenes de concreto mismas que fueron curados cumpliendo las normas establecidas en edades de 7, 14 y 28 días, con el fin de ver la diferencia de los resultados. A los agregados (grueso y fino) se realizó los ensayos correspondientes en el laboratorio de la Universidad Científica del Perú (UCP).
Los resultados de la prueba uniaxial del concreto ensayadas y curados bajo las normas establecidas hasta los 28 días fueron los siguientes:
Diseño f’c = 210kg/cm2 con una relación A/C =0.60;
Testigo realizado con Piedra chancada de ¾” f’c = 260kg/cm2; Testigo realizado con cerámica reciclada con 25% f’c = 230kg/cm2; Testigo realizado con cerámica reciclada con 50% f’c = 220kg/cm2
Diseño f’c = 210kg/cm2 con una relación A/C =0.62
Testigo realizado con Piedra chancada de ¾” f’c = 442kg/cm2; Testigo realizado con cerámica reciclada con 25% f’c = 222kg/cm2 ;Testigo realizado con cerámica reciclada con 50% f’c = 202kg/cm2;
Analizando los resultados el diseño patrón alcanzo la mayor Resistencia en los dos tipos de relaciones A/C siendo el porcentaje de sustitución del agregado y la relación A/C factores que influyen en la Resistencia del concreto. Sin embargo el diseño de mezcla con una relación A/C = 0.60 y con un 25% de sustitución del agregado grueso es alcanzo mayor Resistencia que el diseño con una relación A/C= 0.62 y con un 25% de sustitución del agregado grueso.
Finalmente se concluye que si se puede utilizar cerámica reciclada en el diseño de mezcla con una relación A/C=0.60 con la sustitución del agregado grueso en un 25% y 50% por que superan al diseño patrón. Por
xi
lo tanto, si incrementa la Resistencia a la compresión del concreto al utilizar cerámica reciclada.
The objective of this study is to compare the resistance of concrete cores made with two types of aggregates (¾” crushed stone and recycled ceramic) and two A/C ratios (0.60 and 0.62) replacing the coarse aggregate at 25% and 50%. %. To carry out this research, concrete specimens were made that were cured in compliance with the established standards at ages of 7, 14 and 28 days, in order to see the difference in the results. The corresponding tests were carried out on the aggregates (coarse and fine) in the laboratory of the Scientific University of Peru (UCP). The results of the uniaxial test of the concrete tested and cured under the established standards up to 28 days were the following: Design f'c = 210kg/cm2 with a ratio A/C =0.60; Witness made with ¾” crushed stone f’c = 260kg/cm2; Witness made with recycled ceramic with 25% f'c = 230kg/cm2; Witness made with recycled ceramic with 50% f'c = 220kg/cm2 Design f’c = 210kg/cm2 with a ratio A/C =0.62 Test made with ¾” crushed stone f’c = 442kg/cm2; Control made with recycled ceramic with 25% f'c = 222kg/cm2; Control made with recycled ceramic with 50% f'c = 202kg/cm2; Analyzing the results, the pattern design achieved the highest resistance in the two types of A/C ratios, with the percentage of substitution of the aggregate and the A/C ratio being factors that influence the resistance of the concrete. However, the mix design with a W/C ratio = 0.60 and with a 25% coarse aggregate substitution achieved greater resistance than the design with a W/C ratio = 0.62 and with a 25% coarse aggregate substitution. Finally, it is concluded that recycled ceramic can be used in the mix design with a ratio W/C=0.60 with the replacement of coarse aggregate by 25% and 50% because they surpass the standard design. Therefore, it does xiii increase the compressive strength of concrete when using recycled ceramic.
The objective of this study is to compare the resistance of concrete cores made with two types of aggregates (¾” crushed stone and recycled ceramic) and two A/C ratios (0.60 and 0.62) replacing the coarse aggregate at 25% and 50%. %. To carry out this research, concrete specimens were made that were cured in compliance with the established standards at ages of 7, 14 and 28 days, in order to see the difference in the results. The corresponding tests were carried out on the aggregates (coarse and fine) in the laboratory of the Scientific University of Peru (UCP). The results of the uniaxial test of the concrete tested and cured under the established standards up to 28 days were the following: Design f'c = 210kg/cm2 with a ratio A/C =0.60; Witness made with ¾” crushed stone f’c = 260kg/cm2; Witness made with recycled ceramic with 25% f'c = 230kg/cm2; Witness made with recycled ceramic with 50% f'c = 220kg/cm2 Design f’c = 210kg/cm2 with a ratio A/C =0.62 Test made with ¾” crushed stone f’c = 442kg/cm2; Control made with recycled ceramic with 25% f'c = 222kg/cm2; Control made with recycled ceramic with 50% f'c = 202kg/cm2; Analyzing the results, the pattern design achieved the highest resistance in the two types of A/C ratios, with the percentage of substitution of the aggregate and the A/C ratio being factors that influence the resistance of the concrete. However, the mix design with a W/C ratio = 0.60 and with a 25% coarse aggregate substitution achieved greater resistance than the design with a W/C ratio = 0.62 and with a 25% coarse aggregate substitution. Finally, it is concluded that recycled ceramic can be used in the mix design with a ratio W/C=0.60 with the replacement of coarse aggregate by 25% and 50% because they surpass the standard design. Therefore, it does xiii increase the compressive strength of concrete when using recycled ceramic.
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Resistencia a la compresión, Prueba uniaxial, Cerámica reciclada, Compressive strength, Uniaxial test, Recycled ceramic
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