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dc.contributor.authorWrzesien, A.
dc.contributor.authorPhan, D.
dc.contributor.authorLim, J.
dc.contributor.authorLau, Hieng Ho
dc.contributor.authorHajirasouliha, I.
dc.contributor.authorTan, C.
dc.identifier.citationWrzesien, A. and Phan, D. and Lim, J. and Lau, H.H. and Hajirasouliha, I. and Tan, C. 2016. Effect of stressed-skin action on optimal design of cold-formed steel square and rectangular-shaped portal frame buildings. International Journal of Steel Structures. 16 (2): pp. 299-307.

© 2016, Korean Society of Steel Construction and Springer-Verlag Berlin Heidelberg.Cold-formed steel (CFS) portal frames can be a viable alternative to conventional hot-rolled steel portal frames. They are commonly used for low-rise commercial, light industrial and agricultural buildings. In this paper, the effect of stressed-skin action on the optimum design of CFS portal frames is investigated by conducting a minimum cost design optimisation on a building of span of 6 m, height-to-eaves of 3 m and frame spacing of 3 m; the effect of different number of bays are considered. For the purpose of this study, it is assumed that gables are rigid.The effect of stressed-skin action is larger for“square-shaped” buildings (i.e. when the span and length are the same on plan) and decreases as more bays are added(i.e. as the building becomes more “rectangular-shaped” on plan). The results of the minimum cost optimisation indicate that if stressed-skin action is taken into account, the cost of the internal frame can be reduced by around half for “square-shaped” buildings. It should be noted that this is a minimum cost optimisation, which is not the same as a minimum weight optimisation. It is also shown that a safe design of internal frames could be obtained by ignoring wind loads (i.e. designing the frame only for gravity loads),but this is limited to buildings having a “square-shape”.

dc.titleEffect of stressed-skin action on optimal design of cold-formed steel square and rectangular-shaped portal frame buildings
dc.typeJournal Article
dcterms.source.titleInternational Journal of Steel Structures
curtin.departmentCurtin Sarawak
curtin.accessStatusFulltext not available

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