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GRDSLAB.xls

I cannot see the charts. What am I missing? Thanks in advance for any comment.

I have just downloaded the file and I can see all the charts on different worksheets. Can you be a little more specific about your problem julioguerra?

The "GRDSLAB.xls" workbook recently went through a thorough independent check for validation prior to it's use on one of the projects here at work. As a result, I was asked to add some additional comments and references for clarification. Also it was discovered that in the "Slab on Grade" worksheet that there were certain combinations of concentrated load (P), subgrade modulus (k), and contact area (Ac) which would produce a #N/A error message for some the minimum slab thickness calculations shown off of the calculation page on the right side of the display. These minimum slab thickness calculations were originally placed there for convenience and reference only, so they are not actually required. The simple iterative solution that I was using fails sometimes in part because of the complex nature of the equations, as well as the VLOOKUP command not working properly due to the iterative expression results not always being in complete ascending order. I added a note shown in red text to explain these occurrences to the user.