Concealed concrete beams are beams whose depth are kept equal to the thickness of the supported slab. They are normally reinforced separately from the slab, having longitudinal bars and stirrups like a drop beam.
The most common form of steel connections in steel-framed structures is simple connections. These are connections that are incapable of transmitting significant bending moment between the frame elements.
he choice of the slab type and form is very critical for the other structural elements and overall stability of a structure.
Steel columns in simple construction are the most popular type of columns encountered in multi-storey steel buildings in practice