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    Stress and Deformation of the Sandwich Panel Having Curved Faceplates Under Pressure Loading

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    An analytical and experimental study is conducted on the stress and deformation of a pressurized square sandwich panel, simply supported by four corner hinges. This panel is constructed with a pair of curved faceplates of stainless steel and foam plastics core together with a reinforcing side frame. This is expected to be available for a lightweight roof panel of huge frame architecture like a gymnasium by virtue of its prominent ability in withstanding the pressure load due to the shell effect of curved faceplates in addition to the sandwich effect. In this analysis, we used the extremum principle of total potential under the subsidiary conditions of boundary and symmetry for displacement functions. Good agreement is obtained between the theoretical and the experimental results of strains and deflections.


    sandwich panel, curved faceplate, side frame, Fourier series, strain energy, subsidiary conditions, shell effect

    Author Information:

    Akasaka, T
    Professor and assistant, Chuo University, Tokyo,

    Asano, K
    Professor and assistant, Chuo University, Tokyo,

    Committee/Subcommittee: D30.09

    DOI: 10.1520/STP32794S