Durability of high strength flowing concrete with hybrid fibres

This study was conducted to investigate the mechanical properties and the durability by using of different percentages of steel fibre with high strength flowing concrete (HSFC) and also the use of the hybridization of steel fibres, palm fibres and synthetic fibre (Barchip). Compressive strength, splitting tensile strength, flexural strength, static modulus of elasticity and permeability tests were determined after normal water curing and seawater exposure. The results show that the uses of 0.25–0.5% of the palm and Barchip fibres with 1.5–1.75% of steel fibre in HSFC mixes boost the best performance of compressive strength, splitting tensile strength, flexural strength among others. Besides, these percentages of fibres inclusions in HSFC were found to be effective when the HSFC exposed to seawater.

► We study the mechanical properties of fibre reinforced high strength flowing concrete.
► We test the properties of this high strength flowing concrete after exposure to seawater.
► The hybridization of steel fibres, palm fibres and Barchip fibres was used in the concrete mixes.
► The hybridization of fibres boosts the performance of high strength flowing concrete.
► The inclusion of fibres in concrete mixes was found to be effective in case of seawater exposure.