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Re: Concrete Poles[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: Concrete Poles
- From: Jim Kestner <jkestner(--nospam--at)somervilleinc.com>
- Date: Tue, 16 Feb 1999 08:37:00 -0600
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.
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