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An investigation of web crushing behaviour in thin-walled beams

Rhodes, J. and Nash, D.H. (1998) An investigation of web crushing behaviour in thin-walled beams. Thin-Walled Structures, 32 (1-3). pp. 207-230. ISSN 0263-8231

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In this paper, a theoretical model is developed for the stability analysis of composite thin-walled beams with open or closed cross-sections. The present model incorporates, in a full form, the shear flexibility (bending and non-uniform warping), featured in a consistent way by means of a linearized formulation based on the Reissner's Variational Principle. The model is developed using a non-linear displacement field, whose rotations are based on the rule of semi-tangential transformation. This model allows to study the buckling and lateral stability of composite thin-walled beam with general cross-section. A finite element with two-nodes and fourteen-degrees-of-freedom is developed to solve the governing equations. Numerical examples are given to show the importance of the shear flexibility on the stability behavior of this type of structures.

Item type: Article
ID code: 17534
Keywords: webs, crushing, failure, local buckling, thin-walled, beams, finite strip, finite element, design, specifications, flanges, Mechanical engineering and machinery, Building and Construction, Civil and Structural Engineering, Mechanical Engineering
Subjects: Technology > Mechanical engineering and machinery
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Depositing user: Strathprints Administrator
Date Deposited: 27 Apr 2010 12:30
Last modified: 21 May 2015 11:31

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