EFFECT ON THE STRENGTH OF SCC BY ADDING GLASS FIBER AND CARBON FIBERS

Abstract

The growth of Self Compacting Concrete is revolutionary landmark in the history of construction industry resulting in predominant usage of SCC worldwide nowadays. It has many advantages over normal concrete in terms of enhancement in productivity, reduction in labor and overall cost, excellent finished product with excellent mechanical response and durability. Incorporation of fibers further enhances its properties specially related to post crack behavior of SCC. Hence the aim of the present work is to make a comparative study of mechanical properties of self-consolidating concrete, reinforced with different types of fibers. The variables involve in the study are type and different percentage of glass fibers and carbon fiber. The basic properties of fresh SCC and mechanical properties, toughness, fracture energy were studied mainly this research deals with the test of self-compacting concrete with and without fiber addition. The performance is tested for strength characteristics with and without fiber addition. The weight of fibers is taken as 0, 0.4%, 0.6%, 0.8%, 1.0%, and 1.2% by weight of cement. In this research performance of SCC is measured by inducing carbon and glass fibers and evaluated properties. Result shows remarkable improvements with carbon and glass fibre addition in SCC. Various experiments like Compression strength, split tensile strength, flexural strength, slump flow and L-box are performed for various mixes of carbon and glass fibre mixed SCC. The study reveals that an appreciable amount of improvement observed in split tensile strength and flexural strength with the addition of optimum percentage of carbon and glass fiber.