Recent content by alord

The 2006 IBC refers to ACI 318-05. ACI 318-05 refers to ACI 350 in section R1.1.4, footnote 1.3. Footnote 1.3, on page 409, states that ACI 350-89 is the edition to be used, not the subsequent versions. Is this an oversite. Does anyone know if the 1989 version of the ACI 350 is the version...

Try as a test making one column pinned at the base and at the top, without sway and see if it gives you a K = 1.

Sorry forgot to add the link: https://www.asce.org/bookstore/book.cfm?book=4082

COEngineer, I assume that you are using ASCE 7. There is a commentary at the end of the book. Also see the following link for a good publication by asce. These two references should answer many of the questions that you may have.

lkjh345 thanks for your help. I have only specified wood piles where the diameter is about 12", where I spaced them 2'6" or 3'-0" apart for a two-pile pile cap. What is the minimum recommended spacing for 16" diameter ACIP piles.

lkjh345 you mentioned 16" diameter piles. Do you know off hand what capacity a 16" is normally used for,.....I guess I am asking what is a common size pile diameter that you would expect for say, 40 tons, 12", 14", 16"?

If the geotech. engineer is designing the ACIP(Augered Cast-In-Place) piles, who determines if steel reinforcing is required and who designes the depth of the cage and size of the reinforcing. If structural designs the reinforcing, what methods are used. Are there any guidelines or references...