Abstract In general Fibre Reinforced Concrete (FRC) can improve the strength properties of hardened concrete; likewise this experimental investigation is to clarify Shear cracking behaviour of Hybrid Fibre Reinforced Concrete (HyFRC) beams, with the combination of Scrim bled Steel (ST) Fibre and synthetic fibre like Recycled Polyethylene Therephthalate (RPET) and Polypropylene (PP) in the volume fraction of 0.5%. The grade of concrete is M40 was designed by using codal provision of IS 10262-2009. The mechanical properties and shear performance were studied for concrete prepared using different hybrid fibre combinations like ST-PP and STRPET. The dosage of fibres are 0–100, 25–75, 50–50, 75–25, 100–25. Addition of steel fibres generally contributed towards bridging action where as synthetic fibres resulted in delaying formation of the micro cracks. Compared to the ST-RPET combination, the shear performance of the hybrid fibre reinforced concrete is superior in ST-PP combination. Then the experimental results were explored with the nonlinear Finite Element Analysis (FEA) using ANSYS 12 that has been carried out to simulate the behaviour of failure modes of HyFRC beams. The result shows that the combination of ST-PP is relatively similar with the experimental investigation. The maximum result obtain in combination of ST75PP25 combination, Allowable strength of the Polyethylene Theraphthalte fibre is comparatively lower than the Steel and Polypropylene fibre.


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    Title :

    Experimental study on shear behaviour of hybrid Fibre Reinforced Concrete beams


    Contributors:

    Published in:

    Publication date :

    2014-08-30


    Size :

    6 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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