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I am designing a wood utility pole and the jurisdiction came back and wanted me to specify the required hole width and depth as well as the tampering lift size. I found out that the excavated hole need to be at least 8" larger than the diameter at the butt of the pole and it needs to be...

The design values listed are only on the front page of the report and then I only have the results of the analysis (not actual input information). Comparing the allowable values, it seems as if they were designing for 46 ksi steel. It just confusing because the leg member size is called out...

I have a project where I am re-analyzing a previous cell phone tower for additional antennas. In the previous calculations, it specifies steel pipe legs (PIPE 2.875 od x 0.203w) but calls them out at "A53 GR. B (46 ksi minimum)". I know standard steel pipes are 35 ksi, has anyone seen 46 ksi...

Can someone please direct me to some references on how/where I can find information on Concrete Slab on Grade Design? Thanks, Engineerrrd

Thanks guys for the advice. LobstaEata, Can you confirm that we are using the same variables? In my orginal calcs I used S1 = 100 psf (conservative due to non-testing), but in my calcs below I tried to match your results using S1 = 250 psf. I have: b = 1 ft d = 3 ft (assumed) h = 4...

Has anyone tried to use Equation 18-1 out the IBC 2006 for unconstrained soils and foundations to determine lateral bearing strength? I tried using it and found it to be very conversative. I have an 8' cantilever post with a concentrated load of 375 lbs at the end. And according to the...