Structural · S-ZSGAC

Roof Joist and Girder Bearing at Steel Column

Materials

Steel Metal (misc.)

Elements

Beams Roofs Decks

Connections

Welded Connection Bolted Connection

About this detail

A structural steel connection joins a steel column, steel girder, and roof joists beneath a metal roof deck. A steel cap plate caps the steel column, supporting a seven-and-a-half-inch deep girder bearing end secured with two three-quarter-inch diameter A325 erection bolts. Five-inch deep joist bearing ends rest on the girder seat, each fastened with two half-inch diameter A325 erection bolts. Six-inch by three-eighths-inch by zero-foot-six-inch stabilizer plates with thirteen-sixteenth-inch diameter holes and six-inch by three-quarter-inch by zero-foot-six-inch stabilizer plates at girders provide lateral stability, while bottom chords are left unwelded to the stabilizer plate unless otherwise noted. Fillet welds of three-sixteenth-inch and quarter-inch sizes join the structural steel plates and framing elements as indicated.

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