Structural · S-34J5Y

Braced Frame Column Base Plate Connection

Materials

Concrete Steel Masonry / CMU

Elements

Columns Bracing Anchors / Embeds Connections / Plates

Connections

Gusset Plate Base Plate / Anchorage Bracing Connection Welded Connection Bolted Connection

About this detail

A structural steel column connects to a heavy base plate sized per schedule, bearing over a two-inch grout depth. A shear lug measuring two and one-quarter inches by six and one-half inches by one foot six inches with a yield strength of fifty KSI is welded to the underside. Gusset plates for diagonal bracing extend from the column and base plate, detailed per the corebrace schedule. Three-quarter-inch by four-inch by four-inch plate washers with standard holes sit beneath anchor nuts at each anchor bolt location. The ends of the column flanges and the k regions are left unwelded with a typical one-half-inch clearance. A central grout access hole is provided with a diameter not exceeding the anchor bolt diameter.

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