From the fig. 3, it is observed that the flexural strength was increased at 7.5% fiber content and there after the flexural strength is decreased at 1.5, 5 and 10% of fiber content. At the seventh day the flexure strength observed as 3.57\(N/mm^{2}\) of fiber.
1.12 \(N/mm^{2}\)for 5% of fiber.
4.62 \(N/mm^{2}\)for 7.5% of fiber.
2.48 \(N/mm^{2}\)for 10% of fiber.
2.56 \(N/mm^{2}\)for 1.5% of fiber content in the concrete.