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Structural Stress Characteristics of Glass Fiber Reinforced Concrete Beam

Authors: Akinyele JO, Igba UT, Akinola OM

ABSTRACT

The use of nonmetallic reinforcement in concrete structures because of the limitation of conventional steel due to corrosion and salt attacks has led to many research works all over the world. Materials such as glass fiber reinforce polymer (GFRP), carbon nanotubes (CN), fiber reinforced polymer (FRP), polyethylene terephthalate (PET) have been researched and many of these materials have performed well. The aim of this work was to determine the stress characteristics of glass fibre reinforced concrete beam. The flexural strength, bending stress, shear stress, deflection and stress distribution of the beams were determined. Conventional steel reinforced concrete beam and unreinforced beam were used as control in the experiment. The result generally showed that fibre reinforced concrete beam performed better than the unreinforced beam but was about eighteen percent less in performance when compared with the steel reinforced beam. Stress distribution in the fibre reinforced beam was very similar to that of steel reinforced beam, while distribution in the unreinforced beam showed a clustered stress at the mid span of the beam where there was maximum load.


Affiliations: Department of Civil Engineering, Federal University of Agriculture, Abeokuta, Nigeria
Keywords: Nonmetallic, Glass Fibre Polymer, Conventional Steel, Stress Distribution, Flexural Strength
Published date: 2020/06/30

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ISSN: 2635-3342 (Print)

ISSN: 2635-3350 (Online)

DOI: In progress

ISI Impact Factor: In progress

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