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RE: Residential Cantilevered Retaining Walls.

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Bill:

It is common practice to design the wall as a simply supported member spanning in the vertical direction. Locating the vertical steel at the inner face would be the most econmical, but it is also common for it to be placed at the center of the wall.

Dave Fanella

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I'm curious to know how the other people on the list design concrete retaining walls for residential structures.  If you design the wall as a cantilevered wall with reinforcing on tension face (soil side), then install the floor diaphragm it would seem you have just turned it into a restrained wall.  The restrained wall would appear to want the reinforcing on the opposite side (non-soil side).  Is anybody designing these as "Restrained Walls"?  If so, are you doing any special blocking where the joist is parallel to the wall beyond the first joist space?  Thanks for any comments received.



Bill S. Marczewski, P.E. 
Peratrovich, Nottingham & Drage, Inc. 
503-325-1250 Main; 503-325-9789 Fax 
bmarczewski(--nospam--at)pndast.com 
www.pnd-anc.com 

_______________________

David A. Fanella, Ph.D., S.E., P.E.
Director of Engineering
S.K. Ghosh Associates, Inc.
1856 Walters Avenue, Suite 200
Northbrook, IL 60062
Ph: 847.291.9864
Fax: 847.291.9865
E-mail: dfanella(--nospam--at)skghoshassociates.com
Web Page: skghoshassociates.com 


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