Structural · S-N3RS4

Concrete Curb Details on Concrete Slab or Metal Deck

Materials

Concrete Metal (misc.)

Elements

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

Connections

Rebar Splice / Development

About this detail

Concrete curb connections on a metal deck with concrete fill, formed concrete slab, or slab on grade are categorized by curb width. For curbs ranging from four inches to ten inches in width, a continuous number four hook is provided at corners and ends per typical wall details, with a maximum curb height of one foot. For wider curbs between ten and twenty-four inches, continuous number four hooks are combined with transverse number four reinforcement spaced at twelve inches on center, allowing a maximum height of two feet. If the curb is not placed monolithically with the slab, the construction joint surface must be roughened to a quarter-inch minimum amplitude. General notes require coordination with architectural and mechanical drawings for curb locations, dimensions, chamfers, and inserts, as well as coordinating reinforcement to avoid interference with expansion anchors.

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