The behaviour of pin-ended flange elements in compression |
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| Affiliation: | 1. Gazi University, Department of Civil Eng., Ankara, Turkey;2. Eskisehir Osmangazi University, Department of Civil Eng., Eskişehir, Turkey;1. Institute of Marine Sciences, National Research Council, Arsenale Tesa 104, Castello 2737/F, 30122 Venezia, Italy;2. Department of Civil, Environmental and Architectural Engineering, University of Padova, Via Loredan 20, 35131 Padova, Italy;3. Gamma Remote Sensing, Worbstrasse 225, 3073 Gümligen, Switzerland |
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| Abstract: | Stowell's solution 1] for the buckling behaviour of flange elements in compression was premised on the assumption that the element was fixed against flexural rotations at the ends, a condition representing relatively thick elements for which the thickness dimension is adequate to prevent rotations. This paper presents a solution similar to Stowell's which is applicable to pin-ended flange elements. Aspects not considered in Stowell's work, such as the use of elliptic functions to describe the gradual change of mode shape from sinusoidal to essentially linear, and the gradual and asymptotic changes in axial rigidity in the post-buckling range are described in the paper. The paper also presents comparisons between the behaviour of pin-ended and fixed-ended flange elements. Finally, simple strength equations for flange elements in uniform compression based on the first yield criterion are derived. |
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| Keywords: | Plates Flange elements Elliptic functions Post-buckling Axial rigidity Strength |
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