Structural · S-AMSA2

Buckling-Restrained Braced Frame Column Connection Detail

Materials

Concrete Glass / Glazing

Elements

Columns Roofs Bracing Millwork / Casework Connections / Plates

Connections

Braced Frame Connection Gusset Plate Bracing Connection Welded Connection Bolted Connection

About this detail

A structural steel buckling-restrained braced frame connects at a column intersection with frame beams and gusset plates. The connection features a shear plate with three seven-eighth-inch diameter erection bolts, where the plate thickness equals the beam web thickness plus one-eighth inch. Complete joint penetration welds are specified at the top and bottom flanges, alongside web stiffeners required by the buckling-restrained brace supplier. Foam blockouts are provided around the brace casings encased in concrete, including one inch of foam on each side perpendicular to the brace and three inches at the end of the casing. A weld access hole is included at the typical floor or roof beam connection, establishing a protected zone comprising the gusset plate and brace steel core.

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