Structural · S-AHV67

HSS Brace and W-Beam to W-Column Connection Detail

Materials

Steel

Elements

Columns Beams Bracing Connections / Plates Reinforcing

Connections

Gusset Plate HSS Connection Bracing Connection Welded Connection Bolted Connection

About this detail

A heavy steel braced frame connection occurs at the intersection of a wide-flange column, wide-flange beam, and hollow structural section diagonal brace. A gusset plate connects to the column and receives the HSS brace, which features a reinforcing plate and a thirty-degree bevel at the end. A horizontal stiffener plate matches the gusset plate thickness and aligns with the beam bottom flange. A cap plate is welded to the top of the column with five-sixteenths inch fillet welds on three sides, sized to match the beam flange thickness plus one quarter inch and extending to the wider of the column or beam width. Beam web bolts match the gusset bolts per the schedule, with additional bolts spaced at three inches on center when required. Where the dimension exceeds six inches, additional bolts are provided at six inches on center maximum.

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