Structural · S-3HYYV

Steel Beam Moment Connection to Steel Column Web and Flange

Materials

Concrete Steel Glass / Glazing Metal (misc.)

Elements

Beams Roofs Decks Connections / Plates

Connections

Welded Connection Bolted Connection Deck Attachment

About this detail

Steel beam connections frame into both the web and flange of a steel column beneath a concrete over metal floor deck assembly. The steel beam connects via a shear plate with three seven-eighths inch diameter erection bolts, where the plate thickness equals the beam web thickness plus one-eighth inch. Beam flanges feature weld access holes and connect to fifty KSI steel stiffener plates sized equal to the greater beam flange thickness plus one-eighth inch. Complete joint penetration welds secure the beam flanges to the stiffener plates, while five-sixteenths inch fillet welds attach the shear plates to the beam web, column web, and stiffener plates. Additional five-sixteenths inch fillet welds join the upper and lower stiffener plates to the column web.

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