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- W4313654199 abstract "Purpose Cold-formed steel has been used extensively as secondary elements such as purlins and girts in building frames. Purlin is critical to the structure of the roof because it supports the weight of the roof deck and aids to make the entire roof structure more rigid. Furthermore, cold-formed steel purlin is a replacement for wood purlin because steel purlins are light weight and more economical. Hence, the purpose of this study to investigate the effect of opening due to torsion behaviour. Design/methodology/approach This analysis used cold-formed steel hat purlin with and without openings (WOs) under different opening shape, location and spacing by using finite element LUSAS software. Findings The finite element results showed that purlin with openings had higher angle of rotation than section WO, with a percentage difference of not more than 6%. When the opening was located at mid-span, the angle of rotation reduced. Angle of rotation increased when the opening spacing increased. Number of openings also affected the torsional behaviour of the purlin. Five opening shapes, which were circle, diamond, C-hexagon, square and elongated circle, were studied. Among all the shapes, purlin with diamond opening was more resistance to torsion. Originality/value The use of cold-formed steel section with web openings (rectangular or circular) is a practical solution when it is required to pass service ducts through the structural member. However, the presence of opening gives minor effect on the structural behaviour of cold-formed steel hat purlin." @default.
- W4313654199 created "2023-01-07" @default.
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- W4313654199 date "2023-01-09" @default.
- W4313654199 modified "2023-09-29" @default.
- W4313654199 title "The analysis of web opening configuration on cold-formed steel hat purlin under torsion behaviour" @default.
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- W4313654199 doi "https://doi.org/10.1108/wje-08-2022-0332" @default.
- W4313654199 hasPublicationYear "2023" @default.
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