ABSTRACT:
This is an experimental study focused on studying the effect of adding helix fiber to normal concrete to evaluate compressive strength, tensile strength, stability, elastic modulus, and to improve the desired consistency of the mixture required for workable concrete compared to normal concrete. As concrete is strong in compression and week in tension, steel is placed in concrete where ever tension is anticipated. The process is proven to be cumbersome, time consuming and expensive. Fiber reinforced concrete has emerged as a consequence which offers improved tensile strength in addition to increased compressive strength. Steel Helix fiber with more frictional resistance are added in concrete matrix to improve tensile strength of concrete. Grade M 20 concrete mixture was used and the mix ratio was determined. Stress-strain curves were recorded for different dosages of helix fiber after 28 days to determine the elastic modulus. The results showed that the addition of spiral fiber to normal concrete increases the compressive strength, tensile strength, elastic modulus, and ductility of the concrete compared to normal concrete. The results of this study suggest that the use of helical fibers instead of normal rebars increases the strength of concrete and fly ash is added to concrete to maintain the workability of concrete. This improves the strength parameters and workability of concrete as per the desired requirements.
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