@oldestguy
Well, the reason I'm using blow counts is becuase I use an internal company program that designs the foundation using those values. I input layer depth, designate whether the layer is a sand or clay, and then input blow count. It calculates the soil properties based on those inputs.
My question: Is it normal practice to use corrected N60 values for drilled pier foundation design? Are there cases where I should be conservative and use the uncorrected Nfield values?
Background: I'm designing a concrete pile foundation with an anchor bolt cage using the Hansen method. I have...
