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Shims under a tall vertical vessel

Shims under a tall vertical vessel

Shims under a tall vertical vessel

(OP)
Hi,

I have a 180 foot stack, with total vertical load of 350 kips. There is a 10 inch grout circle around the anchor bolts and the vessel is 15 feet in diameter. My question is how to design the shim plates to level it. Do I put them midspan of the bolts or on each side of the bolt?

Thanks,

RE: Shims under a tall vertical vessel

Would leveling nuts be a better choice?

BA

RE: Shims under a tall vertical vessel

How many anchor bolts do you propose using?

What are your seismic and wind (hurricane) limits/requirements?

RE: Shims under a tall vertical vessel

Check concrete bearing under the shims if you haven't, you may need more of them than you think.
If I located them, I'd probably put them near the anchor bolts.

RE: Shims under a tall vertical vessel

(OP)
I cant use leveling nuts since they only want 1.5 inches of grout. There will be 24 anchor bolts. Seismic shear is 10 kips with 6000 kip ft moment. Wind has 70 kips shear with 9000 kip ft moment

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