Structural · S-4A4F6

Typical Gravity Moment Connection thru Column

Materials

Steel

Elements

Columns Beams Roofs Connections / Plates

Connections

Moment Connection Welded Connection Bolted Connection

About this detail

A typical gravity moment connection frames steel beams through a continuous structural steel column. The connection features a shear plate attached with three seven-eighths inch diameter erection bolts for standard beams, or two bolts for W8 and W10 shapes, with plate thickness equal to the beam web thickness plus one-eighth inch. Steel beam stiffener plates, fabricated from fifty KSI steel, are sized to the greater beam flange thickness plus one-eighth inch. Complete joint penetration welds are specified at the top and bottom beam flanges, supplemented by fillet welds on three sides. Weld access holes are provided at the beam webs, and plate dimension B is calculated as one-half the plate thickness plus one-sixteenth inch.

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