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Residual stresses in cold-formed steel sections: An overview of influences and measurement techniques
Mutafi, Ayad
Irwan, J.M
Yidris, Noorfaizal
Faisal Alshalif, Abdullah
Saif, Yazid
Abdulrahman, Hamdi
Mutaafi, Ala
Al-Ashmori, Yasser Yahya
Amran, Mugahed
Dr. Maureira-Carsalade, Nelson 
Facultad de Ingeniería 
10.1016/j.finmec.2025.100306
Elsevier
2025
Cold-formed steel (CFS) members offer significant advantages over hot-rolled sections, primarily due to their high strength-to-weight ratio and versatility in forming various cross-sectional shapes. These attributes make CFS an efficient choice for design and construction. This paper reviews current design methods for CFS, focusing on the impact of initial imperfections. It also examines various techniques for measuring residual stress in CFS sections, including analytical, experimental, and numerical approaches. The study concludes that while analytical methods are effective, they become complex when accounting for material anisotropy. Laboratory techniques provide reliable measurements but are limited in detecting through-thickness residual stresses. Numerical approaches offer comprehensive insights but require further validation across different material and geometric configurations. The paper highlights the need for advanced analytical models, improved laboratory methods, and expanded numerical techniques to address existing knowledge gaps in residual stress assessment for CFS structures.
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Residual stresses in cold-formed steel sections An overview of influences and measurement techniques.pdf

Size

9.33 MB

Format

Checksum
Cold-formed steel
Initial imperfection
Geometrical imperfection
Material imperfection
Residual stress
Residual strain
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