軸圧縮荷重を受ける有孔薄肉正方形短柱鋼管の局部座屈強度に関する実験的研究 : 第3報,長方形開口の場合

概要

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This paper is concerned with an axial compressive experiment on carbon steel thin-walled square pipes with a square or rectangular hole in a short column range, supported with spherical seats. Consideration has been given to an empirical formula which is the combination of the analysis based on the energy method with the experimental result. The measurement reveals that this diagram is in good design data and is agreement with those obtained experimentally for a short column range. It was found that the buckling stress decreased as the opening ratio and the opening shape ratio increased. Breaking of these carbon steel square pipes occurred as the local buckling of the flat wall with a hole.
一般社団法人日本機械学会の論文
2004-11-25