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Re: Concrete Frame Rigidity

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Try the Navfac publication.


Celso O. Mendoza
Burnaby, Canada
-----Original Message-----
From: Richard Lewis <rlewis(--nospam--at)>
To: seaint(--nospam--at) <seaint(--nospam--at)>
Date: Thursday, May 13, 1999 2:06 PM
Subject: Concrete Frame Rigidity

>I need a refresher course in lateral load distribution.  I need to find the
>center of rigidity of a concrete frame building.  I can't find a reference
>that illustrates how to do this.  All I find is concrete/masonry wall
>I have a 2 story concrete framed structure in the Dominican Republic.  I
>to locate the center of rigidity.  Unfortunately the structure and framing
>not symmetrical so I need to calculate rigidity of the concrete frames.  It
>is also irregular in plan.  I know rigidity is the reciprocal of defection,
>but is there an easy way to calculate this for rigid frames?
>I appreciate all insight into this topic.
>Richard Lewis, P.E.
>Missionary TECH Team
>The service mission like-minded Christian organizations
>may turn to for technical assistance and know-how.