Structural · S-AF334

Buckling-Restrained Brace Connection at Steel Column

Materials

Glass / Glazing

Elements

Roofs Bracing Connections / Plates

Connections

Braced Frame Connection Gusset Plate Bracing Connection Welded Connection Bolted Connection

About this detail

A buckling-restrained brace connection at a steel column supports framing beams at a floor or roof level. The steel column connects to the frame beams using complete joint penetration welds on the top and bottom flanges, alongside a shear plate with three seven-eighth-inch diameter erection bolts where the plate thickness equals the beam web thickness plus one-eighth inch. Web stiffeners and stiffener plates on the near side and far side are provided as required, with specific sizing rules applied when beams have differing depths. A gusset plate and connection for the buckling-restrained brace are provided by the brace supplier, with the protected zone defined as the gusset plate and brace steel core. Fillet welds of five-sixteenth-inch size are typical at the connection interfaces, and weld access holes are included at the beam webs.

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