Abstract
This paper presents the physical and mechanical performance of steel fibre reinforced self-compacting concrete (SFRSCC) using fly ash as cement replacement at 30% by weight of cement. It is understood that the weakness of concrete is the tensile resistance which is can be improve with the addition of steel fibre. This paper deals with the medium compressive strength class of SCC (30-40MPa) with the inclusion of hooked-end steel fibres. Four design mixes of SFRSCC with different steel fibres contents (0%,0.5%,0.75%,1.0% and 1.25%) were designed. The fresh properties of SCC and SFRSCC were tested through slump flow, V-funnel L-box and sieve segregation to characterize the self-compactability characteristics of the mixes. Hardened properties of SCC and SFRSCC were determined through compressive test, flexural test and tensile test. Results shows that there is negative influence on the fresh state properties of SFRSCC with steel fibre content of 1% and more. The highest compressive strength, splitting tensile strength and flexural strength achieved by SFRSCC with optimum volume of 0.75% steel fibre.
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