From: JOG <jgrieshaber(--nospam--at)cvmengineers.com>
Date: Fri, 2 Feb 2001 10:10:59 -0500
Yes, but it does not have any design information.
> -----Original Message-----
> From: Roger Turk [SMTP:73527.1356(--nospam--at)compuserve.com]
> Sent: Friday, February 02, 2001 9:58 AM
> To: seaint(--nospam--at)seaint.org
> 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
> 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
> design references. Since it is a proprietary system, ACI has no