Structural · S-KCTMK

Miscellaneous Floor Opening Framing and Deck Detail

Materials

Concrete Steel Glass / Glazing Metal (misc.)

Elements

Columns Beams Floors / Slabs Decks Arches Roof / Floor Openings

About this detail

A floor opening is framed with W8x10 cross beams and steel beams supporting concrete over a metal floor deck. L3x3x1/4 structural angles provide deck bearing at the opening edges, secured with 3/16 fillet welds. Steel shims, which may consist of a section of angle, channel, or steel tube, are provided where beams are lower than joists. A minimum W8x10 closure plate detail is specified at the opening perimeter. Notes indicate that deck bearing angles are not required if the deck is cut tight around the column, and the detail applies similarly at building perimeters and corners.

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