Buckling of elliptical hollow section members under combined compression and uniaxial bending
Author(s)
Law, KH
Gardner, L
Type
Journal Article
Abstract
Experimental and numerical investigations into the behaviour of elliptical hollow section beam-columns under axial compression and uniaxial bending have been performed and described in this paper. A large-scale experimental programme, comprising a total of 10 tensile coupon tests and 24 beam-column tests, was carried out. The beam-column tests included 6 pure compression tests, 3 buckling about the major axis and 3 about the minor axis, and 18 eccentric compression tests, 9 inducing compression plus bending about the major axis and 9 inducing compression plus bending about the minor axis. All tested elliptical hollow sections were EHS 150 × 75 × 5, and three member lengths of 1 m, 2 m and 3 m were considered. The test results have been supplemented by numerically generated results based on validated FE models to assess the influence of member slenderness and cross-sectional aspect ratio. On the basis of the experimental and numerical findings, design rules covering instabilities in hot-finished EHS beam-columns have been assessed and verified by statistical analysis. The limiting length concept has also been extended to EHS beam-columns.
Date Issued
2013-07
Date Acceptance
2013-03-13
Citation
Journal of Constructional Steel Research, 2013, 86, pp.1-16
ISSN
0143-974X
Publisher
Elsevier
Start Page
1
End Page
16
Journal / Book Title
Journal of Constructional Steel Research
Volume
86
Copyright Statement
Copyright © Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
Identifier
https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000319546300001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=a2bf6146997ec60c407a63945d4e92bb
Subjects
Beam-columns
Construction & Building Technology
Elliptical hollow sections
Engineering
Engineering, Civil
In-plane behaviour
Instability
INTERACTION FORMULAS
Laboratory testing
Limiting length
Numerical modelling
Science & Technology
Steel structures
Technology
Publication Status
Published
Date Publish Online
2013-04-10