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RE: Hollow Core Design

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My practice is to design the connections.  I use the standard details offered by the hollow core mfgrs. as a guide and then design them for what I want.  HC is a bit different than precast double tees.  HC is manufactured like an extrusion and not cast like precast. 

Harold Sprague

> Date: Mon, 6 Oct 2008 20:50:40 -0400
> From: gtg740p(--nospam--at)
> To: seaint(--nospam--at)
> Subject: Hollow Core Design
> What is the standard practice for designing hollow core connections?
> Is it similar as in double tee systems where the precaster takes loads
> given by the EOR and designs the connections himself?
> For example, if I have cmu wall line loads on a hollow core slab, is
> the EOR or HC manufacturer responsible for designing the connections
> between adjacent HC slabs to distribute the line loads? For diaphragm
> forces, is it standard practice for the EOR to state the diaphragm
> loads and the HC manufacturer to design the connections between the
> planks for these loads? I figure I would have to design the
> connections between the HC and other materials (example cmu shear
> walls), but I am not sure for the case between adjacent HC slabs.
> Will Haynes
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