Structural · S-ZTV56

HSS Column Base Plate Details at Interior, Corner, and Edge

Materials

Concrete Steel Masonry / CMU

Elements

Columns Walls

Connections

Base Plate / Anchorage HSS Connection Welded Connection

About this detail

Hollow structural section columns are anchored to concrete foundations using base plates secured by four three-quarter-inch threaded rods with hex nuts and washers, with the nuts tack welded to the anchor bolts. An optional one-inch diameter grout hole is provided in the base plate, and a one-inch non-shrink grout pad sits beneath the plate over the concrete footing. Fillet weld sizes are specified in a table based on base plate thickness, ranging from three-sixteenths to five-sixteenths of an inch. Clearance dimensions and masonry or concrete wall locations are indicated for edge and corner conditions.

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