Structural · S-CPB55

Brb Frame Column Base

Materials

Concrete Steel Masonry / CMU

Elements

Columns Floors / Slabs Foundations / Footings Anchors / Embeds Connections / Plates

Connections

Gusset Plate Base Plate / Anchorage Bolted Connection Embed Plate

About this detail

This structural steel connection details a buckling-restrained braced frame column base plate supported by a concrete footing. The steel column and adjacent gusset plate are welded to the base plate with typical five-eighths inch welds, while the gusset plate features a typical one-and-a-half by one-and-a-half inch snip or radius. The base plate rests on a three-inch layer of non-shrink grout above a concrete blockout. Anchor bolts with half-inch by five-inch square plate washers secure the assembly, extending into the footing where they are reinforced with number four ties at four inches on center. The footing and blockout dimensions, embedment length, and bolt diameters are sized per the structural schedule, with provisions to increase the blockout as required for gusset plate clearance.

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