Td is the shell design thickness (mm and inches) In United States Customary System (USC) units The minimum thickness of the shell of a reconstructed tank, is given by the following formulas found in Formulas for the calculation of Minimum Thickness for Reconstructed Tank Shells We have seen an advance to this issue in the article we had on calculating joint efficiencies, but we will have a further look to the formulas that appear there. The inspector should be able to:Ĭ) Calculate “ td”, design shell thickness (API-650, 5.6.3.2, for tanks of 200 foot diameter and smaller)ĭ) Calculate “ tt”, hydrostatic test shell thickness (API-650, 5.6.3.2) The inspector should be able to determine the minimum thickness of the shell of a reconstructed tank. The book of knowledge says this about reconstructed tanks: Today we will make some practice exercises on determining thicknesses for reconstructed tanks Last time we saw the basics of shell calculations for reconstructed tanks.
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