Structural · S-SSFXM

Steel Joist and HSS Tube Bearing Detail

Materials

Steel Metal (misc.)

Elements

Beams Doors Roofs Decks

Connections

Bolted Connection

About this detail

A steel joist bears on a steel beam with an adjacent hollow structural section tube member carrying a metal roof deck. The steel joist sits on the beam flange and is secured with two ASTM A325 erection bolts for joists spanning 40 feet or more, utilizing a half-inch diameter bolt at K-series and three-quarter-inch diameter bolt for LH-series joists. A hollow structural section 5x5 tube is positioned beside the bearing location per plan. Fillet welds of 3/16-inch size connect the tube assembly, while specific weld sizes and counts apply to the joist bearing seat according to whether a K-joist or LH-joist is used.

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