A STEEL BEAM EMBODIMENT WITH REINFORCED LOWER HEAD

摘要

The present invention is a steel beam (10) having a steel profile (20) comprising a lower head (23) and an upper head (21) which is substantially parallel to said lower head (23), characterized by comprising cables (42) provided under the steel profile (23) along the length of the steel profile (20) and to which tensioning process is applied, and a lower reinforcing concrete (40) embodied by the steel profile (20) lower head (23) in the form of a layer in a manner covering the cables (42) so as to fix said cables (42) at their positions and tensions.