Structural · S-C3RZE

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 Deck Attachment

About this detail

A collector connection frames steel beams into a steel column with top and bottom stiffener plates of 50 KSI steel sized to the greater beam flange thickness plus one-eighth inch. A shear plate with three seven-eighths inch diameter erection bolts connects the beam web, utilizing two bolts for W8 or W10 shapes, with a plate thickness equal to the beam web thickness plus one-eighth inch. Complete joint penetration welds secure the beam flanges to the stiffener plates at weld access holes, and five-sixteenths inch fillet welds attach the shear plate to the beam web on three sides. Additional five-sixteenths inch fillet welds connect the shear plate to the column web and stiffener plates, while the stiffener plates are welded to the column flange and web. Concrete over metal floor deck bears atop the steel framing at the top of the floor or roof level.

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