Structural · S-WF599

Typical Steel Edge Beam Stiffener

Materials

Concrete Steel

Elements

Beams Roofs Floors / Slabs Decks Connections / Plates

Connections

Welded Connection

About this detail

A steel edge beam supports a concrete slab or roof deck with a metal deck oriented in either direction. A connection plate is bolted to the beam web, with the bottom flange coped or blocked out as required. A three-eighths-inch stiffener plate aligns with the connection plate on the far side, matching the flange width or three and a half inches, whichever is less. Alternatively, the contractor may extend the connection plate to the bottom flange and weld it to the flange in lieu of adding a stiffener plate, with a minimum plate thickness of three-eighths of an inch. At locations where a concrete slab does not exist at the edge beam, the stiffener plate or connection plate shall be extended to full depth and welded on three sides.

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