Influencia de la adición de fibras de carbon en las propiedades de los morteros de cal hidráulica: comparación con fibras de vidrio y basalto
DOI:
https://doi.org/10.3989/mc.2020.00120Palabras clave:
Mortero, Cal hidráulica, Refuerzo de fibras, Propiedades mecánicas, CaracterizaciónResumen
En los últimos años, se ha incrementado el uso de cal hidráulica en trabajos de conservación y restauración de edificios históricos debido a los procesos patológicos involucrados en el uso de cemento Portland. En esta investigación se determinan las propiedades de los morteros de cal hidráulica con adición de fibras de carbono para su posible uso en restauración del patrimonio arquitectónico. Se comparan los resultados obtenidos con morteros a los que se les han añadido fibras de vidrio y basalto. Los resultados muestran que las fibras afectan significativamente al comportamiento del mortero, mejorando significativamente las resistencias mecánicas. Aunque no se han encontrado diferencias relevantes en el comportamiento previo al agrietamiento, se ha demostrado que las fibras evitan una rotura frágil del mortero, mostrando un mejor comportamiento posterior al agrietamiento. Los morteros con fibras de carbono son los presentan un mejor rendimiento, aumentando la tenacidad hasta un 12080% sobre los morteros de referencia.
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