Abstract
For the purpose of determining the load-carrying capacity of cold-formed steel structural members, the effective width approach has been used. Since most studies were limited only to the structural members, which were assembled from the same material in a given section, this investigation was concentrated on a study of structural strength and behavior of hybrid cold-formed steel beams subjected dynamic loads. An investigation was also conducted to study the validity of effective design width formulas for the design of these specimens. The materials used in this study were 25 AK and 50 SK sheet steels. A total of 72 spot-welded closed-hat sections were tested under different strain rates. The results showed that the structural strengths including yield moment and ultimate moment of hybrid cold-formed steel beams increase with increasing strain rates. In the determination of the strength of hybrid sections, the effective cross-sectional area calculated on the basis of the dynamic yield stresses can be employed. A design procedure was also developed to compute the member strength of hybrid beams. © 2002 Elsevier Science Ltd. All rights reserved.
Recommended Citation
C. L. Pan and W. W. Yu, "Bending Strength of Hybrid Cold-formed Steel Beams," Thin-Walled Structures, vol. 40, no. 5, pp. 399 - 414, Elsevier, May 2002.
The definitive version is available at https://doi.org/10.1016/S0263-8231(02)00004-6
Department(s)
Civil, Architectural and Environmental Engineering
Keywords and Phrases
Cold-formed steel; Critical local buckling moment; Hybrid beam; Ultimate moment; Yield moment
International Standard Serial Number (ISSN)
0263-8231
Document Type
Article - Journal
Document Version
Citation
File Type
text
Language(s)
English
Rights
© 2024 Elsevier, All rights reserved.
Publication Date
01 May 2002
Comments
American Iron and Steel Institute, Grant None