Structural · S-83TCB

Buckling-Restrained Braced Frame Base Plate and Gusset Connection

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 Embed Plate

About this detail

A buckling-restrained braced frame connection bears on a reinforced concrete footing with a 2-inch maximum non-shrink grout pad and a 2-inch by 6-inch shear lug. A 2-inch thick base plate ties into twelve 1-3/4-inch diameter high-strength anchor bolts with 3/4-inch by 4-inch by 0-4-inch plates at each anchor. Transverse stiffener plates (3/4-inch) are welded to the base plate and gusset plate with 3/8-inch fillet welds, centered between anchor bolts. The buckling-restrained brace and gusset connections are sized by the manufacturer, with 1-inch asphalt board placed on each side of the gusset. Top and bottom reinforcing mats terminate with standard 90-degree hooks in the footing, while slab-on-grade dowels and continuous footing reinforcement are omitted for clarity.

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