Behaviour of cold-formed singly symmetric columns

Ben Young, K.J.R. Rasmussen

Research output: Journal article publicationJournal articleAcademic researchpeer-review

56 Citations (Scopus)


An experimental investigation into the behaviour of cold-formed plain and lipped channel columns compressed between fixed and pinned ends is presented in this paper. It is shown experimentally that local buckling does not induce overall bending of fixed-ended singly symmetric columns, as it does of pin-ended singly symmetric columns. Consequently, local buckling has a fundamentally different effect on the behaviour of pin-ended and fixed-ended singly symmetric columns. In order to show this fundamental different effect caused by local buck-ling, a series of tests was performed on plain and lipped channels brake-pressed from high strength structural steel sheets. Four different cross-section geometries were tested over a range of lengths which involved pure local buckling, distortional buckling as well as overall flexural buckling and flexural-torsional buckling. The different effects of local buckling on the behaviour of fixed-ended and pin-ended channels are investigated by comparing strengths, loadshortening and load-deflection curves, as well as longitudinal profiles of buckling deformations. The purpose of the paper is to demonstrate experimentally the different effects of local buckling on the behaviour and strengths of fixed-ended and pin-ended channels. © 1999 Elsevier Science Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)83-102
Number of pages20
JournalThin-Walled Structures
Issue number2
Publication statusPublished - 1 Dec 1999
Externally publishedYes


  • Columns
  • Distortional buckling
  • Flexural buckling
  • Flexural-torsional buckling
  • Interaction
  • Local buckling
  • Steel structures
  • Support conditions
  • Tests

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanical Engineering


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