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Design of Pole Foundations

Design of Pole Foundations

Design of Pole Foundations

(OP)
I am trying to find literature on the foundation design of wood poles . Assume that the poles are inserted into bored holes and the annulus is backfilled with suitable fill and tamped.

The self-weight of the pole is small but the overturning moment due to wind is significant.

What I am looking for is:
* What criteria is used to determine where active, passive and at-rest lateral earth pressure, acts?
* How does one go about determining where the center of rotation is? Is it practical to determine this by hand calculations or is a computer program necessary?

Any comments or suggestions would be appreciated.

RE: Design of Pole Foundations

Go to 2006 IBC Section 1805.7.  It's been around forever, but I think everyone is scared to change it.  It gives you soil allowables based on standard classifications.

RE: Design of Pole Foundations

I'd suggest searching the Eng-tips foundation & structural forums.  This has been discussed many times.   Some links to design guides have been posted.

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