Serviceability Behavior of Reinforcement Concrete Beams with Polypropylene and Steel Fibers

Abstract:

Serviceability Limit States (SLS) may lead to the design of concrete elements internally reinforced with Fiber Reinforced Polymer (FRP).In many types of concrete structure loss the serviceability due to wide cracks, number of cracks or large deflection is not uncommon behaviour in concrete structures or concrete beams.The flexural ductility affects the serviceability deflection of RC beams once flexural cracking take place.Imprvement will be focused on the use of polypropilene fibres , which is the subject of thispaper. The performance of concrete with fibers is judged by the flexural toughness obtained by load-deflection curves. The flexural toughness of concrete is depend on different types of fibersin use.Its tougness will be reperesent in the behaviour of RC memebres at failure. Sometimes, it is difficult to use the flexural toughness to judge the behavior of concrete structures under service load. The result of cracking on concrete beam due to the applied load and the method of loading to monitor and check the performance of concrete with different types of fiber arediscussed in this paper. The reductionin the dimension of cracks and the effect of energy disipations of polypropilene fibres will be the main aim of this research work.

• Periodical: Advanced Materials Research (Volume 1129)
• Pages: 298-303
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1129.298
• Online since: November 2015
• Authors: Naser Kabashi*, Cene Krasniqi, Ragip Hadri, Violeta Nushi, Arton Dautaj
• Keywords: Deflection, Ductility, Energy, Flexural Strength, Polypropylene Fibers, Rc Beams, Strengthening

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