Structural · S-9A2MH

HSS Column Connection to Concrete Slab

Materials

Concrete Steel

Elements

Columns Beams Floors / Slabs Anchors / Embeds Connections / Plates

Connections

HSS Connection Bolted Connection Embed Plate Expansion / Slip Connection

About this detail

A hollow structural section column connects to a concrete slab at interior, edge, and corner locations using a 5/8-inch by 14-inch by 1-foot 2-inch embed plate secured with four 1/2-inch diameter by 6-inch welded headed studs. Additional #4 hairpin reinforcing bars measuring 48 inches provide anchorage in the concrete slab at edge and corner conditions. A spreader beam detailed per plan connects via 3/8-inch thick plates and two 3/4-inch diameter through-bolts, incorporating 2-1/2-inch vertical slotted holes with a maximum 1/2-inch gap. Fillet welds of 1/4-inch size tie the structural steel components together on three or four sides as indicated.

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