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Re: Flexible diaphragm

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There is no problem with this, but some will consider the diaphragm to be
not flexible and in my opinion it probably is pretty rigid and therefore
subject to requirement to do rigidity analysis.

Stan Scholl, P.E.
Laguna Beach, CA

On Wed, 5 Dec 2001 16:19:14 -0800 "Bill Marczewski"
<bmarczewski(--nospam--at)pndast.com> writes:
> I have a condition in an existing historic building where we may add
> concrete or masonry core walls for an elevator system.  The building 
> has a
> wood floor system, which I am assuming to be a flexible diaphragm.  
> This
> question may be a "no brainer" for many of you but here it is:  Is 
> there any
> problem with a flexible diaphragm transferring load into a rigid 
> wall
> system.  I only have previous experience with rigid floor systems
> transferring load into concrete/masonry shear walls.  Thanks in 
> advance.
> 
> Bill S. Marczewski
> Peratrovich, Nottingham & Drage, Inc.
> Engineering Consultants
> Scow Bay Trading Building, 399, 31st Street, Suite A
> Astoria, Oregon  97103
> 503-325-1250 Main; 503-325-9789 Fax
> Office Locations: Anchorage, Seattle, Juneau, Astoria, San Francisco
> www.pnd-anc.com/; bmarczewski(--nospam--at)pndast.com
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