Structural · S-9YVJ4

Typical Gravity Moment Connection thru Column

Materials

Concrete Steel Glass / Glazing Metal (misc.)

Elements

Columns Beams Roofs Decks Connections / Plates

Connections

Moment Connection Welded Connection Bolted Connection

About this detail

A steel beam connects continuously through a structural steel column utilizing top and bottom stiffener plates welded to the column web or flange. A shear plate welded to the column web secures the beam web with three seven-eighths-inch diameter erection bolts, reduced to two for W8 or W10 shapes. The shear plate thickness equals the beam web thickness plus one-eighth inch. The stiffener plate thickness on each side equals the greater beam flange thickness plus one-eighth inch using fifty ksi steel. Complete joint penetration welds connect the beam flanges to the stiffener plates, while five-sixteenth-inch fillet welds secure the stiffener plates to the column web. Additional five-sixteenth-inch fillet welds connect the shear plate to the beam web on three sides and to the column web.

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