Structural · S-TQCVK

Typical Steel Beam to Column SFRS Collector Connection

Materials

Concrete Steel Metal (misc.)

Elements

Beams Roofs Decks Connections / Plates

Connections

Welded Connection Bolted Connection Deck Attachment

About this detail

A steel beam frames into a steel column with a special force-resisting system collector connection at the top of a floor or roof slab. The connection features a shear plate attached to the steel beam web using three 7/8-inch diameter erection bolts, reduced to two bolts for W8 or W10 shapes. The shear plate thickness equals the beam web thickness plus 1/8 inch, welded to the beam web with a 5/16-inch fillet weld on three sides. Top and bottom beam flanges are connected to stiffener plates on each side of the column web using complete joint penetration welds, with weld access holes provided at the beam ends. Stiffener plate thickness is sized to be greater than the beam flange thickness plus 1/8 inch using 50 KSI steel. Dimensioning guidelines specify a minimum depth of two-thirds the beam depth and a 1-inch minimum typical clearance.

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