Structural · S-Q7BPB

Angle Brace Connection at Metal Deck and Steel Beam

Materials

Elements

Beams Floors / Slabs Decks Bracing Connections / Plates

Connections

Braced Frame Connection Bracing Connection Welded Connection Bolted Connection Shear Stud / Composite Deck Attachment Embed Plate

About this detail

An angle brace connection ties into supporting structural steel beams beneath a concrete-filled metal deck. The brace uses an angle size of L4x4x3/8 for spans under six feet and L6x6x3/8 for spans between six and ten feet, unless otherwise noted. Each end of the brace connects via a three-eighths-inch thick gusset plate secured with two three-quarter-inch diameter A325N bolts, unless noted otherwise. At exterior or frame beams, a six-inch minimum clearance is maintained with three-sixteenth-inch fillet welds on two sides. A supplementary angle brace featuring an L6x6x1/2 profile with four three-quarter-inch diameter Nelson studs is located at the steel deck troughs and may be omitted where a beam occurs per plan. Full-height stiffener plates sized for two bolts are required at frame beams, and the three-eighths-inch plate may be field-welded to beams at the contractor's option.

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