Structural · S-BBMK8

Typical Braced Frame Base Plate, Type a

Materials

Concrete Steel

Elements

Columns Bracing Anchors / Embeds Connections / Plates

Connections

Braced Frame Connection Gusset Plate Base Plate / Anchorage Bracing Connection Embed Plate

About this detail

A structural braced frame base plate connection features a steel column and diagonal brace intersecting a thick base plate anchored to a concrete foundation. The assembly is secured by one and one half inch diameter ASTM F1554 Grade 105 anchor rods with a two foot minimum embedment, supplemented by a shear lug centered on the base plate. A gusset plate connects the diagonal brace to the base plate and column flange, while reinforcing bars provide confinement within the concrete footing. A scheduled plate size and weld configuration complete the load transfer from the superstructure to the foundation.

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