Structural · S-KE5J6

BRBF Column Base Plate Weak Axis Connection Detail

Materials

Concrete Reinforced Concrete Steel Masonry / CMU

Elements

Columns Anchors / Embeds Connections / Plates Reinforcing

Connections

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

About this detail

A buckling-restrained braced frame column base plate connection is oriented along the weak axis. The assembly features a base plate anchored over a reinforced concrete foundation via an embed plate measuring 1 inch by 27 inches by 2 feet 8 inches, centered on the column with twenty number 5 rebar welded below at 7 inch spacing each way. A gusset plate sized per the manufacturer is welded to the column and base plate, accompanied by typical shear plates and square washer plates sized 1 inch by 5 inches in Grade 50 steel with standard holes per AISC recommendations. Welds include D1.8-DCW complete joint penetration on the flanges, 5/16 inch welds on the web, and a 3/8 inch fillet weld at the shear plate. A 2-inch diameter grout hole is provided in the base plate above the non-shrink grout layer.

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