Structural · S-GSF4E

Typical Special Force-Resisting System 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 collector connection at a floor or roof level. The steel beams connect to the steel column web via shear plates detailed with three seven-eighths-inch diameter erection bolts, reduced to two bolts for W8 or W10 shapes. The shear plate thickness equals the beam web thickness plus one-eighth of an inch, welded to the beam web on three sides with a five-sixteenths-inch fillet weld. Continuity stiffener plates are welded to each side of the column web using five-sixteenths-inch fillet welds, sized to a thickness equal to the greater beam flange thickness plus one-eighth of an inch with fifty KSI yield strength. The beam flanges connect to the stiffener plates using complete joint penetration welds with weld access holes provided at the beam ends. Concrete fill over metal floor deck bears atop the steel framing system.

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