Structural · S-X96A4

Typical Braced Frame Column and Anchorage

Materials

Concrete Reinforced Concrete Steel Masonry / CMU

Elements

Columns Floors / Slabs Foundations / Footings Arches Bracing Anchors / Embeds Connections / Plates Reinforcing

Connections

Braced Frame Connection Gusset Plate Base Plate / Anchorage Bracing Connection Bolted Connection Rebar Splice / Development

About this detail

A steel braced frame column base anchors to a reinforced concrete footing. The assembly features a heavy base plate secured by twenty-four high-strength anchor bolts, supplemented by a shear lug and a 2-inch diameter grout hole located 4 inches from the column centerline. A gusset plate connects to the column and a buckling-restrained brace by others, with 1-inch asphalt board placed on each side of the gusset. Transverse and longitudinal stiffener plates are welded to the column and base plate using complete joint penetration and partial joint penetration welds with specified fillet sizes. The concrete footing includes top and bottom reinforcing mats terminating in standard 90-degree hooks, while slab-on-grade and continuous footing reinforcement are omitted for clarity.

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