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Analysis of the elastic buckling of a plywood column

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Abstract

Buckling tests were conducted on specimens of 5-ply lauan plywood for a range of slenderness ratios to measure its buckling stress. Three-dimensional finite element calculations of buckling stress were performed and their validity examined by comparison with experimental results. Both experimental and calculated results revealed that buckling stress is influenced by Young’s modulus values (a measure of stiffness) obtained not only under flexural loading but also under axial loading. When the axial Young’s modulus is larger than the flexural Young’s modulus, the buckling stress is measured as larger than that obtained using the flexural Young’s modulus alone. Inversely, when the axial Young’s modulus is smaller than the flexural Young’s modulus, the buckling stress is measured as smaller than that obtained using the flexural Young’s modulus alone. Therefore, both the Young’s modulus values should be taken into account for determining the buckling stress of a plywood column.

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  1. Faculty of Science and Engineering, Shimane University, Nishikawazu-cho 1060, Matsue, Shimane, 690-8504, Japan

    Hiroshi Yoshihara

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  1. Hiroshi Yoshihara
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Correspondence to Hiroshi Yoshihara.

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Yoshihara, H. Analysis of the elastic buckling of a plywood column. Mater Struct 43, 1075–1083 (2010). https://doi.org/10.1617/s11527-009-9567-y

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