Structural · S-FKC4J

Beam Web Penetration and Reinforcement Detail at HSS Column

Materials

Steel

Elements

Columns Beams Connections / Plates Roof / Floor Openings

Connections

HSS Connection Welded Connection Bolted Connection

About this detail

A steel beam framing into an existing hollow structural section column features web penetrations reinforced with welded web plates matching the beam web thickness. The details outline specific geometrical limits, including maximum penetration diameters relative to beam depth and span location, alongside continuous web plate requirements for multiple openings. Welds include three-sixteenth-inch minimum fillets and complete joint penetrations at top and bottom flanges. Run-off tabs remain in place typically, and bolt counts, web plate thicknesses, and tab welds reference a schedule.

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