Reference Type:  Journal Article
Record Number: 1
Author: Hansen, T., Gath, J. and Nielsen, M. P.
Year: 2008
Title: An improved effective width method based on the theory of plasticity
Journal: Advanced Steel Construction
Volume: 6
Issue: 1
Pages: 33
Start Page: 515
Short Title: An improved effective width method based on the theory of plasticity
DOI: 10.18057/IJASC.2010.6.1.1
Keywords: Post-buckling, thin plates, theory of plasticity, yield line theory, effective width method, failure mechanisms, stability, in-plane loading
Abstract: Currently, calculations of plates in compression are based on the semi-empirical effective width method which was developed by Winter et al. The effective width method takes the post-buckling capacity into account. The aim of the paper is to establish an effective width method, which is derived on the basis of a consistent theory. The method rests on the theory of plasticity, particularly the yield line theory. Emphasis is on buckling problems related to plate girders. Two general cases are studied: Plates in uniaxial compression supported along all edges, cf. the compressed flange in a box girder, and plates with one free edge, cf. the compressed flange and the transverse web stiffeners in an I-shaped girder. The results presented coincide closely with Winter’s formulae and with tests.
Author Address: ALECTIA A/S, Teknikerbyen 34, DK-2830 Virum, Denmark