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cantilever hollowcore design 4

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hx200

Structural
Joined
Apr 11, 2008
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20
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US
I am designing a Hollowcore slab cantilever 7 foot out. I need to check both service and strength. I think I should design the bending strength of the section at cantilever for 1.2D+1.6L+1.0(P*e) with mild steel on top. the hollow core provider think for strength design we don't need to add the P*e which is considered internal force.

I didn't find anywhere in the code back up my thought. Does anyone have thoughts/experience on this.

Thanks a lot
 
Kris,

Thanks for your input. the manufacturer's opioning was disregard the internal PT force for strength design. With everyone's input here I think we are clear a strain compatibility analysis is required with the PT stress considered.
 
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