A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Behavior of Honeycomb FRP Sandwich Sinusoidal Core Panels with Skin Effect
Honeycomb Fiber-Reinforced Polymer (HFRP) sandwich panels with sinusoidal core geometry have shown to be successful both for new construction and rehabilitation of existing bridge decks. This study is concerned with the behavior of HFRP panels under out-of-plane shear considering skin effect. Two factors are addressed that contribute to the skin effect: shear warping and bending warping. Shear warping corresponds to assumed hinge connection between facesheet and core, and when warping is also considered, it corresponds to a rigid connection. A closed-form solution, based on proper description of displacement field at the interface, is derived considering shear warping. The accuracy of this method is verified by Finite Element (FE) results. The FE model is then applied to study bending warping effect. The stiffness and the stress distribution subject to skin effect are presented. Suggestions for future design considerations are given.
Behavior of Honeycomb FRP Sandwich Sinusoidal Core Panels with Skin Effect
Honeycomb Fiber-Reinforced Polymer (HFRP) sandwich panels with sinusoidal core geometry have shown to be successful both for new construction and rehabilitation of existing bridge decks. This study is concerned with the behavior of HFRP panels under out-of-plane shear considering skin effect. Two factors are addressed that contribute to the skin effect: shear warping and bending warping. Shear warping corresponds to assumed hinge connection between facesheet and core, and when warping is also considered, it corresponds to a rigid connection. A closed-form solution, based on proper description of displacement field at the interface, is derived considering shear warping. The accuracy of this method is verified by Finite Element (FE) results. The FE model is then applied to study bending warping effect. The stiffness and the stress distribution subject to skin effect are presented. Suggestions for future design considerations are given.
Behavior of Honeycomb FRP Sandwich Sinusoidal Core Panels with Skin Effect
Chen, An (author) / Davalos, Julio F. (author)
Ninth Biennial Conference on Engineering, Construction, and Operations in Challenging Environments ; 2004 ; League City, Houston, Texas, United States
2004-03-03
Conference paper
Electronic Resource
English
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