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Structural Engineering

2012

Cold-formed steel structures

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Full-Text Articles in Engineering

Behaviour Of Litesteel Beams Subject To Combined Shear And Bending Actions, P. Keerthan, D. Hughes, M. Mahendran Aug 2012

Behaviour Of Litesteel Beams Subject To Combined Shear And Bending Actions, P. Keerthan, D. Hughes, M. Mahendran

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

This paper presents the details of a numerical study of a cold-formed steel beam known as LiteSteel Beam (LSB) subject to combined shear and bending actions. The LSB sections are produced by a patented manufacturing process involving simultaneous cold-forming and electric resistance welding. They have a unique shape of a channel beam with two rectangular hollow flanges. To date, however, no investigation has been conducted into the strength of LSB sections under combined shear and bending actions. Hence a numerical study was undertaken to investigate the behaviour and strength of LSBs subject to combined shear and bending actions. In this …


Finite Element Analyses Of Lipped Chanel Beams With Web Openings In Shear, P. Keerthan, M. Mahendran Aug 2012

Finite Element Analyses Of Lipped Chanel Beams With Web Openings In Shear, P. Keerthan, M. Mahendran

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

Cold-formed steel members are increasingly used as primary structural elements in buildings due to the availability of thin and high strength steels and advanced cold-forming technologies. Cold-formed lipped channel beams (LCB) are commonly used as flexural members such as floor joists and bearers. Shear behaviour of LCBs with web openings is more complicated and their shear capacities are considerably reduced by the presence of web openings. However, limited research has been undertaken on the shear behaviour and strength of LCBs with web openings. Hence a numerical study was undertaken to investigate the shear behaviour and strength of LCBs with web …