Our customer is asking us to use Eurocode 8 - part 4, section "Tanks", for the mechanical calculations of a pressure vessel Ø2600x4200 with a level of oil inside of about 2 meters. I only find Eurocode 8 - part 1 in AutoPIPE Vessel earthquake codes. They are asking for calculations of impulsive, convective and vertical stresses of the movement of the oil inside. I have found the possibility of calculations in AutoPIPE Vessel of impulsive and convective stresses with earthquake model ASCE 7-2010 if you design a tank instead of a pressure vessel, but it seems impossible to support it with legs as my pressure vessel. Is the request of our customer of such a calculation for a pressure vessel reasonable? Does Eurocode 8 - part 4 - section "Tanks" apply also to pressure vessels?
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