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Experimental Study on the Flexural-Torsional Behavior of Cold-Formed Steel Channel Section Connected Back to Back

Affiliations

  • Civil Engineering Department, SRM University, Chennai - 603203, Tamil Nadu, India
  • Civil Engineering Department, Valliammai Engineering College, Chennai - 603203, Tamil Nadu, India

Abstract


Cold-formed steels are made by rolling or pressing steel into semi-finished or finished goods at room temperatures. Cold-formed steel products are made by the working of steel billet, bar or sheet using stamping, rolling and including roll forming or presses to deform it into a usable product. Objective: By flexural-torsional behaviour channel section connected back to back. Four specimen of built up I section formed by using symmetric channel section connected back to back with the help of bolts provided in the web part of section. All the specimens were tested for flexural-torsional strength under two point loading. For this analytical study of cold-formed channel section four specimen of dimension of a 230 mm × 100 mm × 3 mm with a lip of 30 mm and 4 specimens of dimension of 180 mm x 50 mm x 1.6 mm with a lip of 20 mm and 1.8 m length were loaded vertically were unrestrained to allow flexural buckling. Method: The analytical investigation of the built up I section will be carried out using FEM modelling ANSYS. The theoretical values are calculated using IS 801:1975 and BS-5:5950. Findings: For the selected channel section with 230 mm and 180 mm depth the difference in theoretical, analytical and experimental results are found to be 2.5% and 4%. Application: Further this study can be carried out for steel section with increased or decreased depth of web and lip. It can also be used as a roofing sheet in warehouses etc.

Keywords

Back to Back Connection, Cold−Formed Steel, Flexural and Torsional Behaviour, Lipped Channel Section, Torsoinal Behaviour.

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References


  • BS:5950 Part 5 – Code of practice for design of cold formed light gauge sections. 1998.
  • Punmia BC, Jain AK, Jain AK. Design of Steel Structures. 1998 Jan. p. 561–600.
  • Hankcock GJ. Design of cold-formed steel structures. 3rd ed. 1998.
  • Chung KF. Building design using cold formed steel sections: Worked examples to BS 5950: Part 5. The Steel Institute; 1987.
  • Wang H, Zhang Y. Experimental and numerical investigation on cold-formed steel C-section flexural members. Journal of Thin Walled Structures. 2009; 65:1225–35.
  • Sakthivel M, Sureshbabu S. Experimental study on the flexural behaviour of cold formed steel section. IJET. 2014.
  • Jayaram A, Athibaranan S, Mohanraj A. Flexural behaviour of light gauge cold formed steel members: Comparison of IS code and EURO code. 2015.
  • Kakade SA, Bhandarkar BA, Sonar SK, Samare AD. Study of various design methods for cold–formed light gauge steel sections for compressive strength. International Journal of Research in Engineering and Technology. 2014; 3(9):10–3. eISSN: 2319-1163 | pISSN: 2321-7308.
  • Sudha K, Sukumar S. Behaviour of cold formed steel built-up I section under bending. International Journal of Engineering and Technology (IJET); 2008.
  • Vijayasimhan M, Marimuthu V, Palani GS, Rama Mohan Rao P. Comparative study on the distortional buckling strength of cold formed steel lipped channel section. Research Journal of Engineering Science. 2013; 2(4):10–5.
  • Gotluru BP, Schafer BW, Pekoz T. Torsion in thin walled cold-formed steel beams. Elsevier Applied Science. 2000 Jun; 37(2):127–45.
  • Yu C, Schafer BW. Local buckling tests on cold-formed steel beams. Journal of Structural Engineering ASCE. 2003; 129(12):1596–606.
  • Hosseini M, Fanaie N, Yousefi AM. Studying the vulnerability of steel moment resistant frames subjected to progressive collapse. Indian Journal of Science and Technology. 2014; 7(3):335–42.

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