Structural Appraisal of Two Steel Tanks Filled at Low Liquid Level

Chrysanthos Maraveas, Károly Jármai (Editor), József Farkas (Editor)

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The object of this paper is to evaluate the structural adequacy of twoexisting large diameter steel tanks filled at low liquid levels by application ofcurrent design specifications. Emphasis is given on buckling of the circumferentialshell and phenomena related to overall stability. Calculations according tothe American standard API 650, which provides analytical expressions for determiningoverturning and sliding resistance as well as a design procedure forstiffening the shell against wind action, are presented. Simulation of the tanksvia the finite element method, for obtaining the necessary shell stresses, wasperformed as required by the European standard EN1993-1-6. Based on the results,overall stability was checked and shell buckling was evaluated accordingto the “stress design” concept described in the aforementioned code. Differencesin the results between the two standards are discussed and commentsregarding their safety are made.
Original languageEnglish
Title of host publicationDesign, Fabrication and Economy of Metal Structures, International Conference Proceedings 2013
EditorsKároly Jármai, József Farkas
PublisherSpringer Nature
Number of pages6
Publication statusPublished - 2013
EventDesign Fabrication and Economy of Metal Structures 2013 - Miskolc, Hungary
Duration: 24 Apr 201326 Apr 2013


ConferenceDesign Fabrication and Economy of Metal Structures 2013
CityMiskolc, Hungary


  • steel tanks, low liquid level, shell buckling, overturning stability,sliding resistance.


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