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Point loading on composite deck, mid-span?

Rolf In MA

Structural
Mar 18, 2024
4
On corrugated steel/concrete deck, how are mid-span loads distributed?
Extra rebar crosswise? Truss-girders down the trough?
Thanks for any info,
Rolf in MA
 
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I believe the Steel Deck Institute has a procedure for checking this. Typically transverse steel spreads the load transversely and the moment capacity is checked in the longitudinal (strong) direction.
 
If it is a concentrated load, punching shear should also be checked. Some manufacturers have guidelines on small nominal loads that can be supported. For larger loads a punching check should be conducted. Eurocode and Australian code have specs showing how to determine the effective punching perimeter. I imagine similar guidance could be found in American standards.
 

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