I am not quite sure what you are getting at, are you suggesting those blanked out, or missing numbers suggest there is an extra number there? (hence why you say it's "exact")?
Hi all
I am having some trouble interpreting some of the SPT results I have obtained from some boreholes. I have SPT results in various formats which is confusing me. These are my thoughts on the results I have:
N = 5/9/15 <==== obviously N = 15 + 9 = 24
N = 25/- <==== what does this mean? I...