Abstract
In recent years, cold formed steel sections are used more and more as primary framing components as well as secondary structural systems. The geometry can significantly influence the stability response of cold formed steel members. This reportis an investigation concerning the structural behavior of the cold formed steel beams and their failure modes. The beam profile is cold formed steel section and experimental procedure on cold formed steel section is conducted. Thin sheet steel products are extensively used in building industry, and range from purlins to roof sheeting and floor decking. Generally, these are available for use as basic building elements for assembly at site or as prefabricated frames or panels. These thin steel sections are cold-formed, i.e. their manufacturing process involves forming steel sections in a cold state (i.e. without application of heat) from steel sheets of uniform thickness. Sometimes they are also called Light Gauge Steel Sections or Cold Rolled Steel Sections. The thickness of steel sheet used in cold formed section construction was 3.1 mm. The method of manufacturing is important as it differentiates these products from hot rolled steel sections. Normally, the yield strength of steel sheets used in cold-formed sections is at least 280 N/mm<sup>2</sup>, although there is a trend to use steels of higher strengths, and sometimes as low as 230 N/mm<sup>2</sup>.
Highlights
In steel structures, two essential basic steel part sorts are utilized: 1) Cold rolled steel members. 2) Hot rolled steel members
The Hot rolled steel members are framed at raised temperature though Cold shaped steel are framed at room temperature
To conduct load bearing strength of innovative I-shapes of cold formed steel sections following materials is required in the laboratory: 1) Cold formed steel sheets
Summary
This chapter deals with the material &experimental set up work which includes the following tests: 1) To study the behavior in the shape of innovative Isection with increase in the load. 2) Determine the load bearing capacity of innovative Ishapes. 3) Flexural bending strength of the innovative I-shapes
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