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M.A. Haroun*, Y. Wang* and M. Martinez#

*Department of Civil and Environmental Engineering, University of California, Irvine, United States of America
#Structural Mechanics Section, INTEVEP, S.A., Los Toques, Venezuela

doi:10.4203/ccp.43.8.2

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M.A. Haroun, Y. Wang, M. Martinez, "Computational Analysis of Large-Amplitude Settlement and Shell Ovalization of Oil Tanks", in B.H.V. Topping, (Editor), "Advances in Computational Techniques for Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 165-170, 1996. doi:10.4203/ccp.43.8.2

Abstract

An assessment of the effects of large-amplitude bottom settlements and shell ovalizations on the safety of oil storage tanks was made. A nonlinear finite element analysis was performed on existing tank models subjected to measured settlement and ovalization profiles, and for which the real tank behavior is known. Both geometric and material nonlinearities were included in the analysis for evaluating the stress state in both the base plate and the shell. It was found that shell ovalization profiles are more critical than tank settlement profiles since the latter produced stresses that remained well within the elastic range. Shell ovalizations, on the other hand, produced stresses which may exceed the yield stress in some part of the tank shell. It was also confirmed that current qualification criteria for tank settlements are overly conservative, pointing out to the need for revising these criteria.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 43 ADVANCES IN COMPUTATIONAL TECHNIQUES FOR STRUCTURAL ENGINEERING Edited by: B.H.V. Topping Paper VIII.2 Computational Analysis of Large-Amplitude Settlement and Shell Ovalization of Oil Tanks M.A. Haroun, Y. Wang and M. Martinez# *Department of Civil and Environmental Engineering, University of California, Irvine, United States of America #Structural Mechanics Section, INTEVEP, S.A., Los Toques, Venezuela doi:10.4203/ccp.43.8.2 purchase the full-text of this paper Full Bibliographic Reference for this paper M.A. Haroun, Y. Wang, M. Martinez, "Computational Analysis of Large-Amplitude Settlement and Shell Ovalization of Oil Tanks", in B.H.V. Topping, (Editor), "Advances in Computational Techniques for Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 165-170, 1996. doi:10.4203/ccp.43.8.2 Abstract An assessment of the effects of large-amplitude bottom settlements and shell ovalizations on the safety of oil storage tanks was made. A nonlinear finite element analysis was performed on existing tank models subjected to measured settlement and ovalization profiles, and for which the real tank behavior is known. Both geometric and material nonlinearities were included in the analysis for evaluating the stress state in both the base plate and the shell. It was found that shell ovalization profiles are more critical than tank settlement profiles since the latter produced stresses that remained well within the elastic range. Shell ovalizations, on the other hand, produced stresses which may exceed the yield stress in some part of the tank shell. It was also confirmed that current qualification criteria for tank settlements are overly conservative, pointing out to the need for revising these criteria. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £68 +P&P)
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