Shear studs are the installation of steel pins or grommets which extend out of the steel support beam’s top flange. A shear stud is normally welded with a spot welder after installing the metal deck over the supporting structural steel.
Shear studs are meant to offer a structural connection between the concrete slab and the structural steel. Such structural connection distributes shear forces that may be incurred by the structure. Without the studs in place, a slip plane between the concrete slab, structural steel framework, and metal deck of the project will occur. Structural engineers will determine the beams that must have the shear studs.