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Limit load and reference stress for curved wide plates

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Abstract
Curved wide plates are a valuable tool in the assessment of defective pipeline girth welds under tension. Throughout the years, Laboratory Soete collected an extensive database of curved wide plate test results. In an effort to investigate these results through FAD analysis, the authors recently developed a reference stress equation for curved plates. The approach followed is similar to the development of the Goodall and Webster equation for flat plates. This paper elaborates finite element analyses of the equation's capability to predict plastic collapse. It is found that, although overestimated, the influence of plate curvature is correctly predicted in a qualitative way. For all simulations, the curved plate reference stress equation produced conservative estimations. This indicates that the proposed equation is suited to safely predict the plastic collapse of defective pipeline girth welds. An experimental validation is underway.
Keywords
TENSION, SURFACE CRACKS

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Chicago
Hertelé, Stijn, Wim De Waele, Rudi Denys, Jeroen Van Wittenberghe, and Matthias Verstraete. 2010. “Limit Load and Reference Stress for Curved Wide Plates.” In Proceedings of the 8th International Pipeline Conference. Vol. 1. American Society of Mechanical Engineers (ASME).
APA
Hertelé, S., De Waele, W., Denys, R., Van Wittenberghe, J., & Verstraete, M. (2010). Limit load and reference stress for curved wide plates. Proceedings of the 8th International Pipeline Conference (Vol. 1). Presented at the 8th International Pipeline Conference (IPC 2010), American Society of Mechanical Engineers (ASME).
Vancouver
1.
Hertelé S, De Waele W, Denys R, Van Wittenberghe J, Verstraete M. Limit load and reference stress for curved wide plates. Proceedings of the 8th International Pipeline Conference. American Society of Mechanical Engineers (ASME); 2010.
MLA
Hertelé, Stijn, Wim De Waele, Rudi Denys, et al. “Limit Load and Reference Stress for Curved Wide Plates.” Proceedings of the 8th International Pipeline Conference. Vol. 1. American Society of Mechanical Engineers (ASME), 2010. Print.
@inproceedings{1053320,
  abstract     = {Curved wide plates are a valuable tool in the assessment of defective pipeline girth welds under tension. Throughout the years, Laboratory Soete collected an extensive database of curved wide plate test results. In an effort to investigate these results through FAD analysis, the authors recently developed a reference stress equation for curved plates. The approach followed is similar to the development of the Goodall and Webster equation for flat plates. This paper elaborates finite element analyses of the equation's capability to predict plastic collapse. It is found that, although overestimated, the influence of plate curvature is correctly predicted in a qualitative way. For all simulations, the curved plate reference stress equation produced conservative estimations. This indicates that the proposed equation is suited to safely predict the plastic collapse of defective pipeline girth welds. An experimental validation is underway.},
  articleno    = {IPC2010-31290},
  author       = {Hertel{\'e}, Stijn and De Waele, Wim and Denys, Rudi and Van Wittenberghe, Jeroen and Verstraete, Matthias},
  booktitle    = {Proceedings of the 8th International Pipeline Conference},
  isbn         = {9780791844205},
  keyword      = {TENSION,SURFACE CRACKS},
  language     = {eng},
  location     = {Calgary, AB, Canada},
  pages        = {8},
  publisher    = {American Society of Mechanical Engineers (ASME)},
  title        = {Limit load and reference stress for curved wide plates},
  volume       = {1},
  year         = {2010},
}

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