Structural · S-24PNX

Composite Beam Shear Stud Placement and Spacing Detail

Materials

Concrete Steel Timber / Wood Metal (misc.)Composite

Elements

Beams Floors / Slabs Decks Anchors / Embeds

Connections

Welded Connection Shear Stud / Composite Embed Plate

About this detail

Shear stud spacing requirements for composite wide-flange steel girders and beams supporting concrete slabs over metal decking. Three-quarter inch diameter welded headed studs are specified with explicit minimum edge distances, center-to-center spacings, and distribution requirements across the span thirds. The notes mandate automatic welded high-strength Nelson headed anchors conforming to AWS standards, projecting a minimum of 1-3/4 inches above the metal deck and maintaining 3/4 inch clear cover from the top of the concrete slab. Stud placement rules govern maximum and minimum spacing per rib, with default maximum spacing of 24 inches on center where not otherwise indicated.

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