Friday, December 26, 2008

Re: Topped Hollow Core Slab and CMU Wall Construction

From what I recall, the wall is generally done first...but
engineering-wise it should not matter...it would be more of a
construction sequencing decision.

Regards,

Scott
Adrian, MI


On Dec 26, 2008, at 8:59 PM, "Rich Lewis"
<seaint04@lewisengineering.com> wrote:

> I doing a topped hollow core slab with CMU bearing walls. I'm wonde
> ring when the topping is installed. Is it before the next story CMU
> walls are constructed or after? I started detailing it as the topp
> ing is placed prior to the CMU wall construction, but now I'm having
> 2nd thoughts. If the topping is put on first then the next story w
> alls bear on the topping. If the wall goes up first then the CMU be
> ars directly on the plank. I don't think it matters for the strengt
> h of the hollow core slab because the moment is small at the ends an
> d the topping does not help in shear at the ends. It seems to me it
> is a matter of construction sequencing. My guess is that the 2nd f
> loor wall will proceed before the topping is placed.
>
>
>
> Have I made correct assumptions, or should I keep the details with
> the wall bearing on the topping?
>
>
>
> Thanks.
>
>
>
> Rich
>
>

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