Ye, J., Meza, F.J., Hajirasouliha, I. orcid.org/0000-0003-2597-8200 et al. (3 more authors) (2019) Experimental investigation of cross-sectional bending capacity of cold-formed steel channels subject to local-distortional buckling interaction. Journal of Structural Engineering, 145 (7). 04019064. ISSN 0733-9445
Abstract
This paper describes an experimental program carried out at the University of Sheffield to investigate the interaction of local and distortional buckling in cold-formed steel lipped channel beams. The channels were arranged in a back-to-back configuration and a total of six tests, including three different cross-sectional geometries, were completed. The specimens were tested in a four-point bending configuration with simply supported boundary conditions while being laterally braced at the loading points. The beams failed in the constant moment span by interaction of local and distortional buckling. The geometric imperfections of the channels were recorded before the test using a specially designed measuring rig employing laser sensors. Tensile coupons were also extracted from the flat portions and the corner regions of the cross sections in order to determine the material properties. Comparisons showed good agreement between the experimental results and the predictions of European design guidelines and current North American provisions, whereas other DSM formulations based on the NLD and NDL concepts resulted in rather conservative predictions.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2019 ACSE. This is an author-produced version of a paper accepted for publication in Journal of Structural Engineering. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | Experiment; Cold-formed steel; Channel; Stability; Buckling; Local-distortional interaction |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Civil and Structural Engineering (Sheffield) |
Funding Information: | Funder Grant number ENGINEERING AND PHYSICAL SCIENCE RESEARCH COUNCIL (EPSRC) EP/L019116/1 |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 30 Apr 2019 12:49 |
Last Modified: | 05 Jun 2019 15:14 |
Status: | Published |
Publisher: | American Society of Civil Engineers |
Refereed: | Yes |
Identification Number: | 10.1061/(ASCE)ST.1943-541X.0002344 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:144788 |