Structural · S-B84M9

Truss Connection at Brace Frame Column Detail

Materials

Metal (misc.)

Elements

Columns Beams Roofs Decks Trusses Bracing Connections / Plates

Connections

Gusset Plate Bracing Connection Welded Connection Bolted Connection Deck Attachment

About this detail

A structural steel roof truss and wide-flange beam connection frames into a structural steel column with brace frame gusset plates. A 50 ksi steel cap plate is welded to the column web with five-sixteenth-inch fillet welds, matching the greater beam flange thickness plus one-eighth inch and the greater width of the column or welded beam flange. Wide-flange beams connect via shear plates with three seven-eighth-inch diameter erection bolts, with plate thickness equal to the beam web thickness plus one-eighth inch and a depth of minimum two-thirds of the beam depth. Three-quarter-inch stiffener plates are provided on each side at the gusset connection, alongside continuous plates with bearing plates and stiffener plates per detail SE702, providing plates above and below the continuous plate where conflicts occur. Brace connections feature complete joint penetration welds on the top and bottom flanges, and seven-sixteenth-inch fillet welds on three sides typically.

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