Use of fibres is not new to the construction industry. But the way they are being used and its ever-growing varieties have always made it a burning topic for the researchers. The principal reason to incorporate fibres into a cement matrix is to increase the compressive strength and to improve the soundness characteristics of the resultant composite. Previous studies related to the use of natural organic fibres in concrete have shown strength variation with respect to the various types of fibres and fibres content. In the present investigation, an attempt has been made to design a high strength Fibre Reinforced Concrete by proportioning the mix with moisture free pulverized natural organic fibres obtained from horse manure/dung. 11 mixes were prepared separately to determine the characteristics and properties of freshly laid concrete. 33 cubes were casted for the determination of compressive strength and 12 beams were casted for the determination of flexural strength of concrete. Later study was carried out on this designed concrete mix by considering different parameters such as fibre content, proportioning of fine aggregates, time (days) and types of tests (Destructive and Non Destructive test). Results of the study have shown that the performance of designed concrete mix with different mix proportions and different percentage of fibres as additive and replacement of fine aggregates are far more efficient and superior to the conventional mix. As the proportion of percentage of fibers is increased, the performance and strength of freshly mixed as well as of hardened concrete cubes gets improved. After increment in percentage of fibers in mixes, a stage comes where the quantity of fibers is well enough to affect the performance as well as strength of concrete cube. This research summarized the use of horse manure/dung, a natural organic fibre by some percentage in the concrete mix to get favourable workability, compressive and flexural strength.
High Strength Concrete, Natural Organic Fibre Reinforced Concrete, Horse Manure/dung, Designed Mix, Workability, Flexural Strength, Compressive strength
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