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Use of Polypropylene Fibers in Structural concrete.
  • KALYANI KOTHULE
KALYANI KOTHULE

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Abstract

Abstract
All civil structures that are usually made up of steel reinforced concrete usually undergo corrosion of the inbuilt steel by numerous parameters such as salt, which causes in failure of such huge structures. In order for such circumstances not to happen continuous repairing and maintenance is required to enlarge the life cycle of such civil structures. Numerous such methodologies has been developed by years and incorporated to minimize such failures of the  concrete structures which is mainy made up of steel reinforced concrete. The best solution for such problem is to adhesively bond polymer fiber composites on the structures. Another alternative to this is by adding polypropylene fibers in the concrete; not only cost reduction takes place but also optimum utilization of material is achieved. The main goal behind this project is to study the strength of the properties of polypropylene fiber concrete for M2O which has grade with 0%, 1.5%, 5%, 7.5%, and 10% by weight of concrete. Experimental procedures for such program constituted of split tensile strength, compressive strength tests and flexural strength tests on polypropylene fiber concrete and mainly on conventional concrete. However, polypropylene fiber concrete is a special type of embryonic  construction material which is known for its properties such as stiffness, durability and the one which has high mechanical strength. 1.5% better results were seen when the sample was added with polypropylene fiber as compared to others. Hence, to improve the performance characteristics of the light weight cement composites, the influence of the polypropylene fibers has been studied in different fiber length and different proportions. The fibers used are of length 12mm by cement weight in the design mixture. Hence, due to such reasons this hybrid fiber reinforced concrete gives vulnerable performance without any increase in the cost of the concrete.
Example- Concrete, Polypropylene Fiber, Compressive strength, Split tensile strength