What are the components of a shear connection?
A typical shear connection is composed of three parts: support, connector, and beam. The support may be another beam or girder, a column flange, or a column web. The connector may be either bolted or welded to the support and to the beam. For example, a connector bolted to the support and welded to the beam forms a “bolted-welded” shear connection.
Typical connectors are single or double clip angles, single shear plates, and Tees. Shear connections may also be either stiffened or unstiffened seated connections. The image below shows schematically the different types of shear connections.
Double-angles are used for large end reactions, but may require additional considerations for erectability. It is common to find in practice double-angle connections bolted to the support, and shop welded to the beam. The image below shows the typical configuration of this type of shear connection.