STRENGTH AND DURABILITY OF CONCRETE USING METALIZED PLASTIC FIBER
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Abstract
This research aims to investigate the strength and durability of concrete using metalized plastic fibers. Hydraulic cement was used as the main binder, with fly ash replacing 30% by weight of the binder, and the water-to-binder ratio was controlled at 0.40. The study examined the effects of incorporating metalized plastic fibers at 0.5%, 1.0%, and 1.5% by volume of concrete, using fiber lengths of 20 mm and 40 mm, while maintaining a constant fiber width of 2 mm. The compressive strength, flexural strength, splitting tensile strength, rapid chloride penetration resistance, and surface electrical resistivity were then tested.
The results showed that incorporating 0.5% metalized plastic fibers increased the flexural strength, splitting tensile strength, rapid chloride penetration resistance, and surface electrical resistivity compared to non-fiber concrete. However, concrete with any percentage of metalized plastic fibers had lower compressive strength than non-fiber concrete. The combination of 0.5% metalized plastic fibers and fly ash provided the highest flexural strength, splitting tensile strength, rapid chloride penetration resistance, and surface electrical resistivity. Furthermore, concrete with 40 mm length metalized plastic fibers had significantly greater strength and durability than concrete with 20 mm length metalized plastic fibers.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
The published articles are copyright of the Engineering Journal of Research and Development, The Engineering Institute of Thailand Under H.M. The King's Patronage (EIT).
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