Structural · S-FHB8W

Typical Exterior Concrete Curb Detail at Steel Deck

Materials

Steel

Elements

Walls Curtain Walls Floors / Slabs Decks Site / Paving Anchors / Embeds Reinforcing

Connections

Rebar Splice / Development Deck Attachment Embed Plate

About this detail

A concrete curb is supported by a concrete slab on a steel deck, designed for exterior wall conditions. The curb features a minimum eight-inch width with continuous number four reinforcing bars at each face near the top and mid-height, maintaining a typical three-quarter-inch cover or one-and-a-half-inch cover at exposed exterior locations. The slab-to-curb interface requires a keyway or an intentionally roughened surface to one-quarter-inch amplitude, cleaned thoroughly with a bonding agent applied immediately before casting. Transverse reinforcement consists of number four bars at top and bottom spaced per plan, extending two feet six inches on each side of the curb with hooks at the edges. Additional longitudinal reinforcing bars run parallel to the curb, extending a minimum of three times the height past the end of the curb. Coring or cutting of reinforcement is prohibited, and embed plates are utilized for attachments.

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