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Steel Deck Cantilever

reverbz

Structural
Joined
Aug 20, 2024
Messages
94
Location
US
Hey Guys,

Is there any reason I can't check the max cantilever of a metal deck by treating it like a beam and running a bending check with its section properties? I know some manufacturer's list the max cantilever but this one doesn't seem to have it.

Thank you!
 
Have you tried to reach out to their technical department?
 
You should be able to. Also, look at Vulcraft design tools on their website. Has an unshored cant. tool for composite deck.
 
The only thing that comes to mind is that this is probably appropriate for a UDL but may not be appropriate for a point load
Wind uplift on a metal deck - sure
Footfall at the end of a cantilever? The local effects of the point load may cause a different failure mode to govern

This insight brought to you by my recent experiences walking on shipping container roofs, which are pretty similar
 
Sometimes crippling can govern over flexural yield, not sure why that would be difference for the cantilever case vs the simply supported case.
 

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