Finite element analysis of interfacial stresses in FRP–RC hybrid beams |
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Authors: | Q S Yang X R Peng A K H Kwan |
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Institution: | a Numerical Simulation Center for Engineering, Department of Engineering Mechanics, Beijing University of Technology, Beijing 100022, China;b Department of Civil Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China |
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Abstract: | The interfacial stresses in fiber reinforced plastic (FRP)–reinforced concrete (RC) hybrid beams were studied by the finite element method. The mesh sensitivity test shows that the finite element results for interfacial stresses are not sensitive to the finite element mesh. The finite element analysis then is used to calculate the interfacial stress distribution and evaluate the effect of the structural parameters on the interfacial behavior. It is shown that both the normal and shear stresses at the interface are influenced by the material and geometry parameters of the composite beam. This research is helpful for the understanding on mechanical behavior of the interface and design of the FRP–RC hybrid structures. |
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Keywords: | Author Keywords: Hybrid structure FRP composites Reinforced concrete Bending |
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