Here Steel structure details of column The column supports a section of an entablature, which constitutes the upper horizontal part of a classical building and is itself composed of (from bottom to top) an architrave, frieze, and cornice. The purpose of providing main bar is to transfer the bending load developed at the bottom of the slab to the beams. Hot-rolled steel is commonly used to form steel beams and columns. They are created by passing heated steel between large rollers, which deform it into the required shape, for more details of Steel structure details of column download this file.