Experimental Study on Compressive Behaviour of Cold Formed Steel Sections With and Without Bent Lips
Praveen Kumar S1, Suresh Babu S2, SenthilSelvan S3

1Praveen Kumar S, M.E. in Structural Engineering from SRM Valliammai Engineering College, Kattankulathur, Tamil Nadu, India.
2Suresh Babu S, Assistant Professor, Department of Civil Engineering, SRM Valliammai Engineering College, Kattankulathur, Tamil Nadu, India.
3SenthilSelvan S, Professor, Department of Civil Engineering, SRM Institute of Engineering and Technology, Kattankulathur, Tamil Nadu, India.

Manuscript received on 02 June 2019 | Revised Manuscript received on 10 June 2019 | Manuscript published on 30 June 2019 | PP: 533-541 | Volume-8 Issue-8, June 2019 | Retrieval Number: H6686068819/19©BEIESP
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Abstract: CFS sections are used widely as structural elements throughout the world. These sections are thin walled elements which are capable of replacing hot rolled sections. Out of the common sectional configurations can be produced economically by cold formed operations, and therefore promising strength to weight ratio can be obtained. This paper presents the study of buckling behaviour of cold formed steel columns. The specimen dimensions were framed according to Indian Standard Codes IS: 801-1975 and Channel section specifications under Indian Standard Codes IS: 811-1987. Finite element method is used to analyse the buckling of steel columns. Total number of eight different channel sections were analysed using finite element method. Experimental tests were carried out under compression loading and various failure modes are analysed. Three different sections which are found effective are analysed physically using experimental tests. Conclusively experimental results are compared with finite element analysis results. Examining the results, the section FF200-S0-C20- 3 takes up higher load carrying capacity of about 1.73 times than the basic back-to-back channel section. Local buckling is the sort of failure achieved when the segment gets pass the ultimate strength.
Keyword: Cold Formed Steel, Compression, Buckling behaviour, Channel sections.
Scope of the Article: Behaviour of Structures.