Abstract
The study of lightweight cement mortars containing expanded clay aggregate described in this article was conducted to determine the effect of adding fibreglass fibres able to resist the alkalis in cement on the mechanical performance of the mortar. This involved analyzing the following variables: fibre length, degree and effect of dispersion and clay particle size distribution. The lightweight mortars studied are very low density mortars primarily used as fill in different construction situations.
Highlights
The study of lightweight cement mortars containing expanded clay aggregate described in this article was conducted to determine the effect of adding fibreglass fibres able to resist the alkalis in cement on the mechanical performance of the mortar
En todos los casos la dosificación de los componentes por amasada se hizo de la siguiente forma: agua/cemento= 0,8; arcilla expandida (850 cm3, en distintos porcentajes de F3 y A5); Superfluidificante 0,5% y fibras de vidrio 1 y 1,5% sobre el peso del cemento en ambos casos
Por último concluir en que el aumento de resistencia conseguido por el refuerzo y la utilización de una granulometría adecuada, nos permite ampliar radicalmente el campo de aplicación de estos morteros aligerados como materiales constituyentes de piezas semiestructurales, como paneles prefabricados de hormigón ligero, capas de compresión en refuerzos de forjados antiguos de madera y en bóvedas, en los que actualmente se están utilizando dosificaciones de densidades aproximadas de 1,8 g/cm3, reduciendo su coste
Summary
The study of lightweight cement mortars containing expanded clay aggregate described in this article was conducted to determine the effect of adding fibreglass fibres able to resist the alkalis in cement on the mechanical performance of the mortar. This involved analyzing the following variables: fibre length, degree and effect of dispersion and clay particle size distribution. The lightweight mortars studied are very low density mortars primarily used as fill in different construction situations
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