Structural · S-BQD2B

MEP Surface Load Limits to Underside of Slab

Materials

Metal (misc.)

Elements

Beams Floors / Slabs Decks Anchors / Embeds

Connections

Deck Attachment

About this detail

The assembly details allowable point load limits and equivalent surface loads applied to the underside of a concrete slab and metal deck supported by structural steel beams and girders. Loading type one permits a single point load within the middle third of the beam span, while loading type two allows one point load in each outer third of the beam span simultaneously. Attachments to bare metal deck type S4 require support from a minimum of two low flutes. Allowable loads are limited by anchor capacity or specified load limits, ranging by deck type from 125 to 500 pounds. Equivalent total surface loads are calculated using the sum of point loads within the tributary area divided by the tributary area product of L1 and L2.

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