Concrete has superior tensile strength but efficient compressive strength. Concrete can be referred to as sacrificial concrete because it acts as a strain-transferring medium for RC flexural elements below the neutral axis. High-grade concrete will not only be uneconomical but also unfriendly to the environment when used throughout the segment. Therefore, using M20 nominal grade concrete below the neutral axis may be advocated. The use of nominal grade concrete below the neutral axis causes early cracks. Early cracks would lower the serviceability limit condition. Fibres will be used as a solution to increase the initial crack load and reduce crack width. In this study, ICSF (Industrial Crimped Steel Fibres) and WTSF (Waste Tyre Steel Fibres) are used. To determine fresh and hardened concrete properties, fibre combinations of 0.20%(ICSF) + 0.05%(WTSF), 0.30%(ICSF) + 0.10%(WTSF), 0.40%(ICSF) + 0.15%(WTSF), 0.50%(ICSF) + 0.25%(WTSF), and 0.60%(ICSF) + 0.25%(WTSF) were used. For freshly laid concrete, slump tests and compaction factor testing were performed. 28 days on cured concrete, tests for flexural strength, split tensile strength and compressive strength were performed. Added 20% fly ash to mix to replace cement.