PERFORMANCE OF METAKAOLIN AND SUPER PLASTICIZER IN FIBER-REINFORCED CONCRETE

Abstract: The fiber reinforced concrete is relatively a new construction material developed through extensive research and development works. The addition of fibers in to concrete has been found to improve several properties like tensile strength, crack resistance, impact strength and wear resistance etc. In this article an approach has been made to study strength properties of FRC with metakoline. The mix adopted was 1:1.63:3.313 by mass and w/c of 0.5 with inclusion of 1% fiber content by volume. The study mainly oriented towards the replacement of cement by metakaolin with different percentages. Also test have been conducted to study the effect of super plasticizer on fiber reinforced metakaolin concrete. From the results it is observed that, the use of super plasticizer improves the compressive, split and flexural strengths and 10% metakaolin mix shown superior performance among different mixes.

Keywords: Compressive strength, Split tensile strength, Flexural strength, Fibers, Metakaolin