Structural · S-SHDDQ

Expansion Joint at Braced Frame Column and Joist Girder

Materials

Steel Metal (misc.)

Elements

Columns Beams Roofs Decks Bracing Expansion / Control Joints Connections / Plates

Connections

Braced Frame Connection Welded Connection Bolted Connection Deck Attachment Expansion / Slip Connection

About this detail

An expansion joint connection occurs at a steel column supporting joist girders. A seven-and-a-half-inch deep joist girder bearing end attaches with two three-quarter-inch diameter A325 erection bolts and a three-quarter-inch thick bearing plate with three-inch long slotted holes, left unwelded to the bearing plate. Additional joists are provided per plans at the expansion joint alongside a bent plate beyond. Stiffener plates measuring five inches by one-half inch by one-foot-zero-inches and six inches by three-quarters of an inch are welded to the column and beam with five-sixteenth-inch and one-quarter-inch fillet welds on all sides. A stabilizer plate measuring one-half inch by six inches by zero-feet-six-inches is included, with typical bridging and metal roof deck bearing across the framing.

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