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Re: To Mr. Greenlaw

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Mr. Greenlaw:

Thanks again.  However, I believe I did not state my problem with better 
clarity.  I have the sign post pole embedded in 5' dia X 12' deep concrete 
below grade.  For this scenario, can I take advantage of sliding resistance 
available at the base of the concrete?  In other words, can I subtract the 
sliding resistance from 'P' to calculate 'A' required?  While it may be 
conservative to ignore the contribution from sliding resistance, neglecting 
it may make the solution overly conservative.

Considering that the lateral resistance and the sliding resistance act on 
entirely different planes, I am surprised that UBC does not have a different 
set of formula for cases where sliding resistance can be taken advantage of.