I am constantly running into problems with designing for external piping loads on small to medium sized thin walled tanks (30-40' diameter by 1/4" plate). They never meet the R/t requirements for API Apex P nor WRC 537. Is there a good solution to this problem? We typically do FEA which is not a...
Has anyone else had problems with unstiffened shell section of appendix V? We have a tank that passes due to wind with no indermediate stiffeners but when appendix V is applied it no longer passes for just the wind "W". Also the thicker the top shell course gets the more HTS becomes which...