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RE: Three-way Reinforced Concrete Floor Syst

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Yes, but it does not have any design information.

> -----Original Message-----
> From:	Roger Turk [SMTP:73527.1356(--nospam--at)]
> Sent:	Friday, February 02, 2001 9:58 AM
> To:	seaint(--nospam--at)
> Subject:	Three-way Reinforced Concrete Floor Syst
> Have you contacted the U. S. Patent Office and got a copy of the patent?
> A. Roger Turk, P.E.(Structural)
> Tucson, Arizona
> JOG wrote:
> >>We are in the process of evaluating an 11 story reinforced concrete
> building, constructed circa 1915.  This building was originally
> constructed
> for Packard automobile manufacturing.
> The floor system is a three-way reinforced concrete slab in an equilateral
> triangle configuration.  The system was apparently patented by David W.
> Morrow from Cleveland Ohio, around 1913.
> We are cutting several large openings into the slab.  Does anyone have any
> experience in evaluating this kind of slab?  We are specifically looking
> for
> design references.  Since it is a proprietary system, ACI has no
> information.
> Thanks!<<