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Re: SF Uplift

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Hello everyone,  I currently have a need for a Licensed Structural and
Professional Engineer with bridge design that has at least 5yrs experience,
any help would be greatly appreciated.  The position would be located in
Chicago and the pay is negotiable.

Respectfully,

Jeremy Otahal


syed faiz ahmad wrote:

> Jorge,
>
> It is an interesting first-hand information; and a bit sigh of relief to
> note  other top elements got blown off instead of uplifting of the footing!
>
> Thanx for the input.
>
> SYED FAIZ AHMAD; MENGG, MASCE
> SENIOR STRUCTURAL ENGINEER
> SAUDI OGER LTD
> RIYADH, SAUDI ARABIA.
>
> >From: "Jorge Naya" <jnaya(--nospam--at)earthlink.net>
> >Reply-To: "Jorge Naya" <jnaya(--nospam--at)earthlink.net>
> >To: <syedfaiz23(--nospam--at)hotmail.com>
> >Subject: SF Uplift
> >Date: Fri, 9 Nov 2001 12:50:27 -0500
> >
> >Syed,
> >
> >In South Florida we have been designing for serious wind
> >for a while.
> >
> >Normal usage is SF = DL / Uplift >= 1.50, all using service loads
> >and ASCE 7 wind (not the ASCE loa combinations),  and accounting
> >for weight of soil, slab, almost anything that could help.
> >
> >In many cases the footing becomes an anchor!
> >
> >Regards,
> >Jorge Naya, P.E.
> >
> >P.S. After hurricane Andrew, no footings were seen uplifted,
> >always something else above failed first.
>
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