Influencia de la sacarosa en la resistencia a la compresión del concreto cemento – arena, Iquitos, Perú – 2022
Date
2024-01-31
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Universidad Científica del Perú
Abstract
La presente tesis, es única en su género, es de nivel experimental;
y es del tipo cuantitativa y aplicativa en la mejora de las propiedades
físicas y mecánicas del concreto cemento –arena, material de
construcción de uso común en la Selva Baja Peruana. Para mejorar su
comportamiento de sus propiedades tanto en estado fresco como
endurecido, se utilizó jugo de caña de azúcar, por lo que el objetivo
principal fue determinar la influencia de la adición de diferentes
porcentajes de este aditivo orgánico en estas propiedades, considerando
relaciones A/C de 0.57, 0.67 y 0.77 y 0% , 0.3%, 0.6% y 0.9% de jugo
de caña; evaluándose a través de los ensayos siguientes: asentamiento,
aire atrapado, peso unitario y resistencia a la compresión a los 3, 7, 14 y
28 días de curado. Se caracterizó el agregado fino, y se hizo el diseño
de la mezcla patrón sin jugo de caña; y, luego las muestras
experimentales. Para los ensayos de compresión simple se elaboraron
336 testigos de los cuales 84 cilíndricos correspondieron al concreto
patrón y 252 a las experimentales.
De los resultados se concluye que la adición de jugo de caña de
azúcar, influye significativamente en las propiedades físicas y mecánicas
del concreto cemento – arena, obteniéndose los mejores resultados con las adiciones de 0.9 % de jugo de caña, relación A/C 0.57, alcanzando a los 3, 7, 14 y 28 días el 52.83%, 77.32%, 94.33% y 100%,
respectivamente, quedando confirmada la hipótesis.
The present thesis is unique in its kind; it is experimental in nature, and it is quantitative and applicative in improving the physical and mechanical properties of cement-sand concrete, a common construction material in the Peruvian Lowland Jungle. To enhance its properties in both fresh and hardened states, sugarcane juice was used. Therefore, the main objective was to determine the influence of adding different percentages of this organic additive on these properties, considering water-cement ratios of 0.57, 0.67, and 0.77, and 0%, 0.3%, 0.6%, and 0.9% of sugarcane juice; evaluated through the following tests: slump, air entrainment, unit weight, and compressive strength at 3, 7, 14, and 28 days of curing. The fine aggregate was characterized, and the standard mixture design was performed without sugarcane juice; then, the experimental samples were prepared. For the simple compression tests, 336 specimens were prepared, of which 84 cylindrical specimens corresponded to the standard concrete and 252 to the experimental ones. From the results, it is concluded that the addition of sugarcane juice significantly influences the physical and mechanical properties of cement-sand concrete, with the best results obtained with additions of 0.9% of sugarcane juice, water-cement ratio of 0.57, reaching 52.83%, 77.32%, 94.33%, and 100% at 3, 7, 14, and 28 days, respectively, thus confirming the hypothesis.
The present thesis is unique in its kind; it is experimental in nature, and it is quantitative and applicative in improving the physical and mechanical properties of cement-sand concrete, a common construction material in the Peruvian Lowland Jungle. To enhance its properties in both fresh and hardened states, sugarcane juice was used. Therefore, the main objective was to determine the influence of adding different percentages of this organic additive on these properties, considering water-cement ratios of 0.57, 0.67, and 0.77, and 0%, 0.3%, 0.6%, and 0.9% of sugarcane juice; evaluated through the following tests: slump, air entrainment, unit weight, and compressive strength at 3, 7, 14, and 28 days of curing. The fine aggregate was characterized, and the standard mixture design was performed without sugarcane juice; then, the experimental samples were prepared. For the simple compression tests, 336 specimens were prepared, of which 84 cylindrical specimens corresponded to the standard concrete and 252 to the experimental ones. From the results, it is concluded that the addition of sugarcane juice significantly influences the physical and mechanical properties of cement-sand concrete, with the best results obtained with additions of 0.9% of sugarcane juice, water-cement ratio of 0.57, reaching 52.83%, 77.32%, 94.33%, and 100% at 3, 7, 14, and 28 days, respectively, thus confirming the hypothesis.
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Keywords
Jugo de caña de azúcar, Concreto cemento – arena, Cemento Portland tipo GU, Propiedades físicas y mecánicas del concreto, Sugarcane juice, Cement-sand concrete, Type GU Portland cement, Physical and mechanical properties of concrete
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