Abstract
Cold-formed steel is used as the non-structural and structural material in civil engineering work and building. Cold-formed steel channel is selected and cut into 100 mm, 200 mm, 300 mm, 400 mm and 500 mm. The slenderness ratio is calculated and noted as a stub or short column because below 40. The column is tested by using Universal Testing Machine to determine the ultimate load of the stub column. Besides, the CFSC is determined the material properties of CFSC for checking it’s the originality of steel based material. The experimental data are tested and compared with the Direct Strength Method (DSM). It showed that the CFSC1 with a height of 100 mm is reported to have a higher value of ultimate load when compared with other samples. When the height of the stub column increased, the ultimate load of the sample is decreased. Then, the CFSC1 also showed a higher in initial stiffness when compared with other samples. All samples are shown having a higher data in ultimate load when compared with the Direct Strength Method prediction. The ultimate load of experimental and DSM all gave a ratio below 1.03. Finally, all samples can further recommend determining the relation between the ultimate loads with variations of height of the column.
Highlights
Cold-formed steel (CFS) is a steel based material that utilised in construction work as non structural or structural material
This paper describes the experimental activity of compression on the CFS stub column to determine the relationship of different height
The main objective of this paper is to present an experimental program on the Cold-formed steel channel (CFSC) stub column
Summary
Cold-formed steel (CFS) is a steel based material that utilised in construction work as non structural or structural material. CFS with thin surface, lightweight and corrosion resistance is becoming a popular material in civil engineering and building. Application of CFS in construction is as roof truss section, purlins, wall panel and frame due to the advantages of CFS. Many researchers have studied the CFS as the main structure in buildings such as column, beam and retaining wall. CFS became more popular when compared with other traditional material. CFS is formed by processing of steel with galvanised coating in rolling, pressing and bending method at ambient temperature. CFS is produced in varieties of shape such as channel, Z, hat and compound sections. CFS is formed into varieties of thickness, grade and cross-section. The design procedure of CFS is followed the Eurocode 3 and AISI
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