Buckling experiments on hollow flange beams with web stiffeners

Mahendran, M. & Avery, P. (1996) Buckling experiments on hollow flange beams with web stiffeners. In Thirteenth International Specialty Conference on Cold-Formed Steel Structures, Missouri S&T (formerly the University of Missouri - Rolla), St. Louis, Missouri U.S.A., pp. 243-254.

Abstract

A new cold-formed and resistance welded section known as the Hollow Flange Beam (HFB) has been developed recently in Australia. In contrast to the common lateral torsional buckling mode of I-beams, this unique section comprising two stiff triangular flanges and a slender web is susceptible to a lateral distortional buckling mode of failure involving lateral deflection, twist and cross-section change due to web distortion. This lateral distortional buckling behaviour has been shown to cause significant reduction of the available flexural strength of HFBs. An investigation using finite element analyses and large scale experiments was carried out into the use of transverse web plate stiffeners to improve the lateral buckling capacity of HFBs. This paper presents the details of the experimental investigation, the results, and the final stiffener arrangement whereas the details of the finite element analyses are presented in a companion paper at this conference.

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ID Code: 64379
Item Type: Conference Paper
Refereed: No
Additional Information: Compilation and indexing terms, Copyright 2013 Elsevier Inc.
2004298265301
Buckling capacity
Hollow flange beams (HFB)
Web distortion
Web stiffeners
Additional URLs:
Keywords: Beams and girders, Bending strength, Buckling, Finite element method, Flanges, Hot rolling, Stiffness, Structural frames, Welding
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 21 Nov 2013 01:51
Last Modified: 21 Nov 2013 01:51

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