Structural · S-PJTAK

Typical Braced Frame Beam to Column Flange Connection

Materials

Steel Metal (misc.)

Elements

Columns Beams Bracing Connections / Plates

Connections

Braced Frame Connection Shear Tab / Single Plate Gusset Plate Beam-to-Column Welded Connection Bolted Connection

About this detail

A wide-flange beam connects to a steel column flange using demand critical complete joint penetration groove welds at the top and bottom flanges, supplemented by a vertical shear plate bolted to the beam web with erection bolts. A three-eighths-inch minimum vertical plate is welded to the web per note one, while weld access holes at the beam ends conform to AWS D1.8 requirements. Bottom flange backing bars are removed, the root pass backgouged to sound metal, and a continuous five-sixteenths-inch minimum fillet weld is applied between the underside of the beam flange and the column flange. Top flange backing bars are attached to the column flange by a five-sixteenths-inch continuous fillet weld on the edge below the groove weld. Stiffener plates matching the beam flange thickness are provided as detailed in the connection notes.

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