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RISS 인기검색어
- 검색키워드
- 저자 : Abdebasset Chedad (검색결과 2 건)
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Chedad, Abdebasset,Daouadji, Tahar Hassaine,Abderezak, Rabahi,Belkacem, Adim,Abbes, Boussad,Rabia, Benferhat,Abbes, Fazilay Techno-Press 2017 Advances in materials research Vol.6 No.4
In this paper, an improved theoretical solution for interfacial stress analysis is presented for simply supported concrete beam bonded with a sandwich FGM plate. Interfacial stress analysis is presented for simply supported concrete beam bonded with a sandwich plate. This improved solution is intended for application to beams made of all kinds of materials bonded with a thin plate, while all existing solutions have been developed focusing on the strengthening of reinforced concrete beams, which allowed the omission of certain terms. 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. A numerical parametric study was performed for different simulated cases to assess the effect of several parameters. Numerical comparisons between the existing solutions and the present new solution enable a clear appreciation of the effects of various parameters. The results of this study indicated that the FGM sandwich panel strengthening systems are effective in enhancing flexural behavior of the strengthened RC beams.
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Interfacial stresses in RC beam bonded with a functionally graded material plate
Tahar Hassaine Daouadji,Abdebasset Chedad,Belkacem Adim 국제구조공학회 2016 Structural Engineering and Mechanics, An Int'l Jou Vol.60 No.4
Functionally graded material (FGM) plates can be bonded to the soffit of a beam as a means of retrofitting the RC beam. In such plated beams, tensile forces develop in the bonded plate and these have to be transferred to the original beam via interfacial shear and normal stresses. In this paper, an interfacial stress analysis is presented for simply supported concrete beam bonded with a functionally graded material FGM plate. This new solution is intended for application to beams made of all kinds of materials bonded with a thin plate, while all existing solutions have been developed focusing on the strengthening of reinforced concrete beams, which allowed the omission of certain terms. 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 FGM-RC hybrid structures.
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