Absorción de energía de impacto y propiedades mecánicas de compuestos cementiceos reforzados con fibra que contiene caucho granulado
DOI:
https://doi.org/10.3989/mc.2025.379524Palabras clave:
Compuesto cementíceo reforzado con fibras, Absorción de energía de impacto, Índice de dureza, Propiedades mecánicas, Caucho granulado, Análisis estadísticoResumen
Los compuestos cementíceos reforzados con fibra (FRCC) son conocidos por sus propiedades superiores, incluida su alta resistencia a la tracción y ductilidad, lo que los hace atractivos para aplicaciones estructurales. Para mejorar las propiedades de tenacidad y absorción de energía de impacto (IEA), se investigó el FRCC con caucho granulado (CR) para mitigar la aparición de fisuras y la fragilidad bajo cargas de impacto. Dos tamaños de CR, 0,5–2 mm y 2–5 mm, reemplazaron el 5%, 10% y 15% delárido fino, mientras que la fibra de PVA varió entre 1%, 1,5% y 2%. La adición de CR redujo la densidad, la resistencia a la compresión y a la flexión. Sin embargo, un 10% de CR (5 mm) aumentó el índice de tenacidad en un 30%, y un 15% de CR (5 mm) con 2% de fibra de PVA mejoró la IEA en un 12%. La prueba ANOVA de dos vías indicó que el contenido de fibra de PVA y CR influyeron significativamente en la IEA del FRCC.
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Ministry of Higher Education, Malaysia
Números de la subvención FRGS/1/2020/TK01/UM/02/2








