Determinación de la resistencia a compresión temprana y el módulo de elasticidad de HRF mediante la velocidad de paso del pulso ultrasónico

Autores/as

DOI:

https://doi.org/10.3989/mc.2021.14720

Palabras clave:

Refuerzo de fibras, Propiedades mecánicas, Resistencia a la compresión, Módulo de elasticidad, Hormigón

Resumen


Debido al aumento del empleo de métodos rápidos de construcción y los desafíos de mantener los calendarios de construcción, ha aumentado la demanda de procedimientos que permitan asegurar la calidad del trabajo sin sacrificar el ritmo de producción. Dentro del control de calidad de los materiales de construcción, las propiedades mecánicas del hormigón se encuentran entre las preocupaciones más importantes. En este estudio se investiga la correlación entre la resistencia a la compresión y el módulo dinámico del hormigón reforzado con fibras, con la velocidad de pulso ultrasónico a edades tempranas hasta 7 días después del amasado. Para ello se diseñó un programa experimental que involucró 189 muestras de HRF que contenían diferentes tipos de fibras estructurales, fracciones de volumen de fibra y relaciones agua/cemento. Se desarrollaron ecuaciones matemáticas para predecir la resistencia a la compresión y el módulo dinámico a edades tempranas de cuatro tipos diferentes de hormigón reforzado con fibras, en función de la velocidad del pulso ultrasónico. Tanto la resistencia a la compresión como el módulo dinámico pronosticados a partir de las ecuaciones propuestas mostraron una buena correlación con las medidas experimentales llevadas a cabo.

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Publicado

2021-07-30

Cómo citar

Castillo, D., & Hedjazi, S. (2021). Determinación de la resistencia a compresión temprana y el módulo de elasticidad de HRF mediante la velocidad de paso del pulso ultrasónico. Materiales De Construcción, 71(343), e257. https://doi.org/10.3989/mc.2021.14720

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