Structural · S-4CYDY

Typical SFRS Collector Beam to Steel Column Connection

Materials

Concrete Steel Glass / Glazing Metal (misc.)

Elements

Beams Roofs Decks Connections / Plates

Connections

Welded Connection Bolted Connection

About this detail

A collector steel beam frames into a steel column with top and bottom stiffener plates and a welded-bolted shear tab connection. The steel beams feature weld access holes and connect to the column web via shear plates secured with three seven-eighths-inch-diameter erection bolts, reduced to two bolts for W8 or W10 shapes. Shear plate thickness equals the beam web thickness plus one-eighth inch, welded to the beam web along three sides with a five-sixteenth-inch fillet weld. Upper and lower stiffener plates are sized to the greater beam flange thickness plus one-eighth inch using 50 KSI steel, joined to the beam flanges with complete joint penetration welds and to the column web and flanges with five-sixteenth-inch fillet welds. Concrete over metal floor deck bears atop the steel framing assembly.

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