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Re: Resultant Seismic Force

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Check AWWA Specification D-100. You may want to visit www.awwa.org .
Regards.

Javier Encinas
ASDIP Structural Software

-----Original Message-----
From: Vyacheslav Gordin <scgordin(--nospam--at)hotmail.com>
To: seaint(--nospam--at)seaint.org <seaint(--nospam--at)seaint.org>
Date: Friday, November 05, 1999 4:12 PM
Subject: Resultant Seismic Force


>Problem:
>
>Vertical cryogenic vessel (tank) on three legs in seismic Zone 4.
>
>Diameter:      4-to-10 feet
>Shell height:  10-to-50 feet
>Leg height:     about 2 feet
>
>Weight:          15-to-150 kips.
>
>Should the resultant of the seismic force be located at:
>a) tank center of gravity; or
>b) at 2/3 of the height?
>
>The opinion of fellow professionals is crucial for me making the decision
to
>either accept the method ?a? (customary for the industry), or try to push
>through method ?b? (as ? in my opinion - more corresponding to the physical
>nature of the problem).
>
>So, what do you think?
>
>
>Steve Gordin, S.E.,
>Irvine, CA
>
>
>P.S. Anyway, if we have something as simple as a CMU property wall ? where
>would you apply the resultant of the seismic force?  SG
>
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>
>
>