In this paper, the flexural performance of Fibre Reinforced Concrete (FRC) with an optimised spirally deformed steel Fibre developed by the authors is evaluated experimentally. For comparison purposes, concrete specimens with commercially available steel Fibres (hooked-end and crimped) are tested and included in the study. The experiment parameters include two different matrices with 28-day compressive strengths of 35 MPa and 45 MPa and four Fibre volume contents (0.2%, 0.35%, 0.5%, and 0.65%). Besides, specimens with plain concrete are also tested as reference. Findings of the research indicate that the spirally deformed steel Fibre considerably enhances flexural characteristics of concrete compared with existing Fibres on the market (hooked-end and crimped) where the deflection-hardening response (even at the presence of wide cracks) can also be achieved even with low Fibre dosages common in practice. Therefore, such a composite, i.e. concrete reinforced with spirally deformed steel Fibre, can be deemed as a structural material.

The Fibre reinforced concrete (FRC) has become popular in construction industry in last few decades. Various natural and artificial Fibres are added in concrete to enhance the crack resistance property by developing some bonding between Fibre and concrete. FRC is not only performs better than conventional concrete but also the Fibre reinforced concrete (FRC) has become popular in construction industry in last few decades. FRC is not only performs better than conventional concrete but also it reduces environmental pollution. Actually in many rural area, people are not concerned about the pollution and hygiene. The unused portion of sugarcane Fibre, banana Fibre, jute Fibre are thrown into pond/ lake. After few days they decompose and rotten, that causes pollution in waterbody and disturb the ecosystem. The Fibres can be used as additive in concrete to enhance their overall performance as well as to reduce environmental pollution. In this paper, a state-of-art review has been investigated on FRC and its different benefits. Different Fibres such as jute Fibre, coconut Fibre, polypropylene, basalt, areca leaf, glass, mask, plastic, carbon and steel Fibre were incorporated in concrete by several researchers in the past decades that have been highlighted in detail in this paper. The performance has been evaluated in terms of load displacement hysteretic pattern, stiffness, ductility, energy dissipation, crack resistance, durability and workability of FRC. The virtue and limitations of FRC have also been discussed. From the existing literature, it is found that the performance of FRC under dynamic load, Damage assessment, Time dependent assessment of damage, Effect of Fibre in high-performance concrete (HPFRC) and Life cycle assessment are found as major literature gap that needs to be fulfilled. A case study on damage assessment of FRC has also been conducted in this paper. From the result it is found that the Carbon Fibre reinforced concrete (CFRC), Steel Fibre reinforced concrete (SFRC) and Areca leaf sheath Fibre reinforced concrete (ALSFRC) are experiencing lesser damage in compared to normal concrete without Fibre. Based on the existing literature the future scope and probable direction of research of FRC have also been highlighted.