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Abstract
The aim of this contribution is to verify an existing design rule for steel liquid-filled conical shells by performing numerical simulations. Questions were raised regarding the reliability of the design rule as early yielding comes into play if an axisymmetric imperfection is located near the lower rim where the stresses are elevated. In our study, full nonlinear numerical simulations are performed with a realistic weld depression as imperfection shape. This weld depression is placed at the most detrimental location near the lower rim. The results of the simulations show that for cones with a moderate relative slenderness the design rule indeed overestimates the buckling strength, but that the error is not pronounced and that the design rule may be considered as still acceptable.
Keywords
Plastic buckling, Liquid-filled conical shells, Imperfections

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Citation

Please use this url to cite or link to this publication:

Chicago
Vanlaere, Wesley, Delphine Sonck, Rudy Van Impe, Arne Jansseune, and Wouter De Corte. 2010. “Plastic Collapse of Steel Water Towers.” In Advances in Engineering Plasticity and Its Applications : Proceedings of 10th Asia-Pacific Conference on AEPA 2010, ed. Yunhui Huang, 101–105. World Scientific.
APA
Vanlaere, Wesley, Sonck, D., Van Impe, R., Jansseune, A., & De Corte, W. (2010). Plastic collapse of steel water towers. In Yunhui Huang (Ed.), Advances in engineering plasticity and its applications : proceedings of 10th Asia-Pacific conference on AEPA 2010 (pp. 101–105). Presented at the 10th Asia-Pacific conference on Engineering Plasticity and its Applications (AEPA 2010), World Scientific.
Vancouver
1.
Vanlaere W, Sonck D, Van Impe R, Jansseune A, De Corte W. Plastic collapse of steel water towers. In: Huang Y, editor. Advances in engineering plasticity and its applications : proceedings of 10th Asia-Pacific conference on AEPA 2010. World Scientific; 2010. p. 101–5.
MLA
Vanlaere, Wesley, Delphine Sonck, Rudy Van Impe, et al. “Plastic Collapse of Steel Water Towers.” Advances in Engineering Plasticity and Its Applications : Proceedings of 10th Asia-Pacific Conference on AEPA 2010. Ed. Yunhui Huang. World Scientific, 2010. 101–105. Print.
@inproceedings{1091049,
  abstract     = {The aim of this contribution is to verify an existing design rule for steel liquid-filled conical shells by performing numerical simulations. Questions were raised regarding the reliability of the design rule as early yielding comes into play if an axisymmetric imperfection is located near the lower rim where the stresses are elevated. In our study, full nonlinear numerical simulations are performed with a realistic weld depression as imperfection shape. This weld depression is placed at the most detrimental location near the lower rim. The results of the simulations show that for cones with a moderate relative slenderness the design rule indeed overestimates the buckling strength, but that the error is not pronounced and that the design rule may be considered as still acceptable.},
  author       = {Vanlaere, Wesley and Sonck, Delphine and Van Impe, Rudy and Jansseune, Arne and De Corte, Wouter},
  booktitle    = {Advances in engineering plasticity and its applications : proceedings of 10th Asia-Pacific conference on AEPA 2010},
  editor       = {Huang, Yunhui},
  isbn         = {9789814324045},
  keywords     = {Plastic buckling,Liquid-filled conical shells,Imperfections},
  language     = {eng},
  location     = {Wuhan, PR China},
  pages        = {101--105},
  publisher    = {World Scientific},
  title        = {Plastic collapse of steel water towers},
  year         = {2010},
}