Structural · S-Q2DT5

Typical Welded Beam Top and Bottom Flange Connections

Materials

Steel

Elements

Columns Beams Connections / Plates

Connections

HSS Connection Welded Connection Bolted Connection

About this detail

Typical moment connections for wide-flange beams framing into both wide-flange column webs and hollow structural section columns. The beam flanges connect to the column or cap plate using complete joint penetration welds, with typical weld access holes at the top and bottom flanges. Continuity plates and cap plates are sized to match the thickness of the thickest welded beam flange plus one-eighth inch, matching the greater width of the column or beam flange as required. A typical shear plate connection with slip-critical bolts fastens the beam web, with the shear plate extended to connect with the continuity plates. Standard weld symbols indicate complete joint penetration welds on three sides typical.

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