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RE: Sign Structures

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Painless for all except the one kind enough to demonstrate for us...  ;-)

>>> On 3/3/2008 at 8:40 AM, "Dmitri Wright" <dmitri(--nospam--at)> wrote:
I have heard references to this sign failure for years, but I have never
been able to find any written documentation of it.  Does anyone know if
there was a report issued on the investigation, or coverage in any of the
engineering journals?

It's always easier and much more painless to learn from other's mistakes.

Dmitri Wright

From: Harold Sprague <spraguehope(--nospam--at)>
To: <seaint(--nospam--at)>
Subject: RE: Sign Structures

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The sign in question does not warrent a dynamic analysis, but there are sig=
ns along the strip in Las Vegas that sometimes are evaluated in wind tunnel=
s with modifications at the base to determine a dynamic response. =20
The Hilton sign in Las Vegas is 279' tall with a terrible plan and elevatio=
n aspect ratio.  The sign it replaced blew down in a wind storm.  Regards,H=
arold Sprague

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