I am trying to repair the bottom of a tank (30 ft dia x 27 ft tall, API 653) but it has some foundation problems so we need to fix it. The owner does not want to use concrete ring wall because it is expensive or slab or crushed stone. My foreman told me that he has seen steel ring walls on tanks before, somewhere in West Texas, back in the 70's. He says that as long as the steel plate keeps the sand in place, it shouldn't be much different. Is there such a thing as a Steel Ring Wall? Has anyone seen it? Do you know if there is a paper or a book about that topic? Thanks for all your help.
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