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Re: Concrete Poles

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You can also use the LPILE program if you need a little more information.  


-----Original Message-----
From: Jim Kestner <jkestner(--nospam--at)>
To: seaint(--nospam--at) <seaint(--nospam--at)>
Date: Tuesday, February 16, 1999 8:38 AM
Subject: Re: Concrete Poles

>Dr. Rutledge, of Purdue University, was commissioned in 1938 by the
>Outdoor Advertising Assn. of America to investigate the lateral
>stability of cantilever uprights. He developed a series of nomographs
>for this purpose. The design of foundations for outdoor signs has been
>based upon his work for many years.
>There are also (trial and error) formulas contained in the Wisconsin
>Code ILHR 53.28 and the 1997 UBC 1806.8 that can be used to solve this
>type of problem.
>A similar sort of problem is addressed in the USS Steel Sheet Piling
>Design Manual (1975) for cantilevered sheet pile walls.
>You should also check NAVOC for more information. Your friendly
>geotechnical engineer must have a copy of this.
>Perhaps a geotechnical engineer might also comment on how to handle
>frost loosening in the upper  layers of soil.
>Jim Kestner, P.E.
>Green Bay, Wi.