Structural · S-F538M

Rigid Moment Connection at Wide Flange Beam and Column

Materials

weld

Elements

Columns Beams Connections / Plates

Connections

Moment Connection Beam-to-Beam Welded Connection Bolted Connection

About this detail

A rigid moment connection between a wide flange beam and a wide flange column uses complete joint penetration and fillet welds. Horizontal flange plates align with the beam flanges and connect to the column flange with complete joint penetration welds, supplemented by backing bars as required. The beam web connects to the column using a web connection plate secured with standard bolts, sized per schedules. Weld access holes are detailed at the beam web ends to facilitate flange welding. Additional notes specify plate alignments, bolt quantities, and weld sizes typical for moment frame construction.

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