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Flexural behaviour of stainless steel oval hollow sections
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Theofanous, M., Chan, Tak-Ming and Gardner, L. (Leroy) (2009) Flexural behaviour of stainless steel oval hollow sections. Thin-Walled Structures, Vol.47 (No.6-7). pp. 776-787. doi:10.1016/j.tws.2009.01.001 ISSN 0263-8231.
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Official URL: http://dx.doi.org/10.1016/j.tws.2009.01.001
Abstract
Structural hollow sections are predominantly square, rectangular or circular in profile. While square and circular hollow sections are often the most effective in resisting axial loads, rectangular hollow sections, with greater stiffness about one principal axis than the other, are generally more suitable in bending. Oval or elliptical hollow sections (EHS) combine the aesthetic external profile of circular hollow sections with the suitability for resisting flexure of rectangular sections, whilst also retaining the inherent torsional stiffness offered by all tubular sections. This paper examines the structural response of recently introduced stainless steel oval hollow sections (OHS) in bending and presents design recommendations. In-plane bending tests in the three-point configuration about both the major and minor axes were conducted. All tested specimens were cold-formed from Grade 1.4401 stainless steel and had an aspect ratio of approximately 1.5. The full moment-rotation responses of the specimens were recorded and have been presented herein. The tests were replicated numerically by means of non-linear finite element (FE) analysis and parametric studies were performed to investigate the influence of key parameters, such as the aspect ratio and the cross-section slenderness, on the flexural response. Based on both the experimental and numerical results, structural design recommendations for stainless steel OHS in bending in accordance with Eurocode 3: Part 1.4 have been made. (C) 2009 Elsevier Ltd. All rights reserved.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Library of Congress Subject Headings (LCSH): | Flexure, Bending, Finite element method, Tubular steel structures, Stainless steel -- Testing, Structural analysis (Engineering) | ||||
Journal or Publication Title: | Thin-Walled Structures | ||||
Publisher: | Elsevier Science Ltd. | ||||
ISSN: | 0263-8231 | ||||
Official Date: | June 2009 | ||||
Dates: |
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Volume: | Vol.47 | ||||
Number: | No.6-7 | ||||
Number of Pages: | 12 | ||||
Page Range: | pp. 776-787 | ||||
DOI: | 10.1016/j.tws.2009.01.001 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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