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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.78 No.6
- 발행연도
- 2021.1
- 수록면
- 703 - 714 (12page)
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초록· 키워드
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Construction materials such as composites are used recently for the reinforcement and rehabilitation of structures subject to risks of partial or total degradation during their service, which are due to either poor design, overload or a charge assignment. The use of fibers is a new technique which gives additional rigidity and resistance to structures. In this research, we develop an approach which makes it possible to analyze the interfacial constraints which are the cause of the delamination phenomenon at the level of the structure, for a continuous steel beam bonded by a FRP laminate plate, under thermo-mechanical loading coupled with the shear lag model. In such plated beams, shear forces develop in the bonded beam and these will be transferred to the FRP plate via the adhesion technique. Thus, the interfacial shear stress and normal stress will develop consequently, and debonding may occur at the FRP plate ends due to high interfacial stress values in this area. This original research aims to study the debonding phenomenon using an analytical model, in order to identify the interfacial stresses of a continuous steel beam strengthened by the FRP plate with taper model, taking into account a new coupled approach of thermomechanical loading effect. Finally, numerical comparisons between the existing solutions and the present solution enable a clear appreciation of the effects of various parameters. This article explores the effects of various parameters related to the subject, such as the effect of thermal loading, geometrical and physical properties, on the stress behavior of FRP composites. This solution is intended for application to beams made of all kinds of materials bonded with a thin composite plate. For steel I-beam section, a geometrical coefficient φ is determined to show the effect of the adherend shear deformations. This research is helpful for the understanding on mechanical behaviour of the interface and design of such structures.
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참고문헌 (56)
참고문헌 신청
Z. Abdelhak / 2016 / Analysis of buckling response of functionally graded sandwich plates using a refined shear deformation theory / Wind and Structures, An International Journal 22(3):291~305
Abderezak, R. / 2020 / Analysis of interfacial stresses of the reinforced concrete foundation beams repairing with composite materials plate / Coupl. Syst. Mech 9(5):473~498
Abderezak, R. / 2018 / Nonlinear analysis of damaged RC beams strengthened with glass fiber reinforced polymer plate under symmetric loads / Earthq. Struct 15(2):113~122
Abderezak, R. / 2019 / Elastic analysis of interfacial stresses in prestressed PFGM-RC hybrid beams / Adv. Mater. Res 7(2):83~103
Moussa Abualnour / 2019 / Thermomechanical analysis of antisymmetric laminated reinforced composite plates using a new four variable trigonometric refined plate theory / Computers and Concrete, An International Journal 24(6):489~498
Abderezak, R. / 2020 / Analysis of interfacial stresses of the reinforced concrete foundation beams repairing with composite materials plate / Coupl. Syst. Mech 9(5):473~498
Abderezak, R. / 2018 / Nonlinear analysis of damaged RC beams strengthened with glass fiber reinforced polymer plate under symmetric loads / Earthq. Struct 15(2):113~122
Abderezak, R. / 2019 / Elastic analysis of interfacial stresses in prestressed PFGM-RC hybrid beams / Adv. Mater. Res 7(2):83~103
Moussa Abualnour / 2019 / Thermomechanical analysis of antisymmetric laminated reinforced composite plates using a new four variable trigonometric refined plate theory / Computers and Concrete, An International Journal 24(6):489~498
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