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Paper III.4

A Theoretical and Experimental Investigation into Cold-Formed Channel Sections in Bending with the Unstiffened Flanges in Compression

R.G. Beale*, M.H.R. Godley* and V. Enjily+

*School of Architecture, Oxford Brookes University, Oxford, England
+Building Research Establishment, England

doi:10.4203/ccp.58.3.4

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R.G. Beale, M.H.R. Godley, V. Enjily, "A Theoretical and Experimental Investigation into Cold-Formed Channel Sections in Bending with the Unstiffened Flanges in Compression", in B.H.V. Topping, B. Kumar, (Editors), "Computer Techniques for Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 53-58, 1999. doi:10.4203/ccp.58.3.4

Abstract

Twenty-six cold-formed channel sections were tested in four point bending with the unstiffened flanges in compression. The width/thickness ratio for the web varied from 18.8 to 188 and the width/thickness ratio for the flange varied from 3 to 91.75. Post-buckling theories were derived using yield line theory considering both simply-supported and partially fixed boundaries to predict ultimate moment capacity and resulting midspan deflections. Good correspondence was observed between theory and experiment. The use of the Mathcad symbolic algebra package is described in the production of moment-curvature relationships.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 58 COMPUTER TECHNIQUES FOR CIVIL AND STRUCTURAL ENGINEERING Edited by: B.H.V. Topping and B. Kumar Paper III.4 A Theoretical and Experimental Investigation into Cold-Formed Channel Sections in Bending with the Unstiffened Flanges in Compression R.G. Beale, M.H.R. Godley and V. Enjily+ *School of Architecture, Oxford Brookes University, Oxford, England +Building Research Establishment, England doi:10.4203/ccp.58.3.4 purchase the full-text of this paper Full Bibliographic Reference for this paper R.G. Beale, M.H.R. Godley, V. Enjily, "A Theoretical and Experimental Investigation into Cold-Formed Channel Sections in Bending with the Unstiffened Flanges in Compression", in B.H.V. Topping, B. Kumar, (Editors), "Computer Techniques for Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 53-58, 1999. doi:10.4203/ccp.58.3.4 Abstract Twenty-six cold-formed channel sections were tested in four point bending with the unstiffened flanges in compression. The width/thickness ratio for the web varied from 18.8 to 188 and the width/thickness ratio for the flange varied from 3 to 91.75. Post-buckling theories were derived using yield line theory considering both simply-supported and partially fixed boundaries to predict ultimate moment capacity and resulting midspan deflections. Good correspondence was observed between theory and experiment. The use of the Mathcad symbolic algebra package is described in the production of moment-curvature relationships. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £74 +P&P)
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