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Re: ASCE 7-88 vs. 7-93

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7-93 uses 3 sec. gust for wind speed and the gust
factor is a function of structure flexibility.

Rajendran

--- Michael LeComte <m.lecomte(--nospam--at)lycos.com> wrote:
> Does anyone know of any changes in the WIND LOAD
> section of ASCE 7-93 when the code updated from the
> previous 1988 version?
> 
> I realize the most current edition of ASCE 7 is
> 1998.  I'm dealing with the AASHTO LRFD Bridge
> Specfications which indicate using "the
> fastest-mile-of-wind charts available in ASCE 7-88".
>  Fair enough but was confuses me a bit is that the
> aforementioned Bridge code is the 1999 edition, and
> there is a reference in this same code to ASCE7-93,
> so I don't think it's a matter of ASCE 7-93 not
> being around long enough to make it into the 1999
> AASHTO code.
> 
> So, that's my long way of saying there must be
> something different in the ASCE 7-88 compared to the
> ASCE 7-93 wind load spec?
> 
> Thanks,
> 
> Michael LeComte, PE
> FL Bridge Engineer
> 
> 
> 
> Make a difference, help support the relief efforts
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