Structural · S-D8SDY

Steel Beam-Column Moment Connection with Continuity Plates

Materials

Steel

Elements

Columns Beams Connections / Plates

Connections

Moment Connection Welded Connection

About this detail

A steel moment connection between a frame beam and a frame column features horizontal continuity plates aligned with the column flanges on both the top and bottom. The continuity plates are sized to match the beam flange thickness with a three-quarter inch minimum and are welded to the column with complete joint penetration welds, leaving the backing in place with a five-sixteenth inch fillet weld underneath. A double plate is included on the exterior column face where required by the buckling-restrained braced frame manufacturer. The beam web connects to a shear tab with a vertical row of bolts, and weld tabs are omitted adjacent to the column web and flange juncture per AISC specifications.

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