Abstract

The experimental investigations were carried out on fibrous self-compacting concrete (SCC) elements subjected to monotonic loading to study the influence of arch-type steel fibre (AF) in terms of shear and compressive properties. The influence of polypropylene fibres (PF) at varying proportions was also studied along with arch-type steel fibrous self-compacting concrete. The tests were carried out on both fresh concrete as well as hardened concrete. In fresh concrete, slump and L-box tests were carried out and the results thus measured against varying combinations of both the fibres have been compared. In hardened concrete, compressive strength and shear strength test was conducted and their behaviour was compared. It was observed from slump test as well as L-box tests, the workability of hybrid fibre-reinforced self-compacting concrete was found to be reduced with increase in the volume of fibres. It is also observed that arch-type steel fibres showed exceptional post-cracking behaviour along with the polypropylene fibres for each mix.

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