EXPERIMENTAL STUDY ON PROPERTIES OF POLYPROPYLENE AND STEEL FIBRE REINFORCED CONCRETE (original) (raw)

Present experimental study was conducted to determine the optimum dosage of polypropylene and steel fibers. The mechanical properties of fiber reinforced concrete were investigated by including polypropylene and steel fibers. The standard cube test specimen, cylinder test specimen and prism test specimen were casted, cured and tested for 7, 14, & 28 days as per Indian standard guidelines. In this experimental study it was found that the optimum dosage of Poly Propylene Fibre was 0.05% by volume of concrete and that of Steel Fibre was 0.75% by volume of concrete. Both PFRC and SFRC exhibited convincing behavior compared to HPC (conventional concrete) at the specified optimum dosage. Also the test results showed that use of steel fibre reinforced concrete improves compressive strength and tensile strength compared to conventional concrete (HPC).

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