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Strain based design considerations for spiral welded pipelines

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Abstract
Pipelines are constructed in hostile environments where the occurrence of imposed plastic deformations can necessitate a strain based design approach. Under such conditions not only the strength and toughness properties have to be considered; also the strain capacity of pipe and weld metal become crucial. Considering the use of spirally welded linepipe sections, the helical seam weld and anisotropic material properties pose real challenges to pipeline designers. In our work, the tensile strain capacity and defect tolerance of high strength, high toughness spiral pipes will be investigated. This paper briefly discusses the different steps in the spiral pipe manufacturing process and their influence on the mechanical properties of the pipe. The forming angle is a key parameter as it determines (a) the anisotropy in strength and toughness of the pipe steel, and (b) the orientation of possible seam weld defects. Each mechanical operation (forming, expansion) and each thermal operation (welding, coating) will affect local or global strength, toughness and ductility properties of the pipe metal. A thorough material characterization at each process step is needed for a qualitative and quantitative understanding of these effects.
Keywords
Axial Straining Capacity, Spiral Linepipe, Strain Based Design

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MLA
Van Minnebruggen, Koen, et al. “Strain Based Design Considerations for Spiral Welded Pipelines.” SUSTAINABLE CONSTRUCTION AND DESIGN, edited by Stijn Hertelé, vol. 3, no. 1, Ghent University, Laboratory Soete, 2012, pp. 44–51.
APA
Van Minnebruggen, K., De Waele, W., Denys, R., & Thibaux, P. (2012). Strain based design considerations for spiral welded pipelines. In S. Hertelé (Ed.), SUSTAINABLE CONSTRUCTION AND DESIGN (Vol. 3, pp. 44–51). Ghent, Belgium: Ghent University, Laboratory Soete.
Chicago author-date
Van Minnebruggen, Koen, Wim De Waele, Rudi Denys, and Philippe Thibaux. 2012. “Strain Based Design Considerations for Spiral Welded Pipelines.” In SUSTAINABLE CONSTRUCTION AND DESIGN, edited by Stijn Hertelé, 3:44–51. Ghent, Belgium: Ghent University, Laboratory Soete.
Chicago author-date (all authors)
Van Minnebruggen, Koen, Wim De Waele, Rudi Denys, and Philippe Thibaux. 2012. “Strain Based Design Considerations for Spiral Welded Pipelines.” In SUSTAINABLE CONSTRUCTION AND DESIGN, ed by. Stijn Hertelé, 3:44–51. Ghent, Belgium: Ghent University, Laboratory Soete.
Vancouver
1.
Van Minnebruggen K, De Waele W, Denys R, Thibaux P. Strain based design considerations for spiral welded pipelines. In: Hertelé S, editor. SUSTAINABLE CONSTRUCTION AND DESIGN. Ghent, Belgium: Ghent University, Laboratory Soete; 2012. p. 44–51.
IEEE
[1]
K. Van Minnebruggen, W. De Waele, R. Denys, and P. Thibaux, “Strain based design considerations for spiral welded pipelines,” in SUSTAINABLE CONSTRUCTION AND DESIGN, Ghent, Belgium, 2012, vol. 3, no. 1, pp. 44–51.
@inproceedings{3130461,
  abstract     = {{Pipelines are constructed in hostile environments where the occurrence of imposed plastic deformations can necessitate a strain based design approach. Under such conditions not only the strength and toughness properties have to be considered; also the strain capacity of pipe and weld metal become crucial. Considering the use of spirally welded linepipe sections, the helical seam weld and anisotropic material properties pose real challenges to pipeline designers. In our work, the tensile strain capacity and defect tolerance of high strength, high toughness spiral pipes will be investigated. This paper briefly discusses the different steps in the spiral pipe manufacturing process and their influence on the mechanical properties of the pipe. The forming angle is a key parameter as it determines (a) the anisotropy in strength and toughness of the pipe steel, and (b) the orientation of possible seam weld defects. Each mechanical operation (forming, expansion) and each thermal operation (welding, coating) will affect local or global strength, toughness and ductility properties of the pipe metal. A thorough material characterization at each process step is needed for a qualitative and quantitative understanding of these effects.}},
  author       = {{Van Minnebruggen, Koen and De Waele, Wim and Denys, Rudi and Thibaux, Philippe}},
  booktitle    = {{SUSTAINABLE CONSTRUCTION AND DESIGN}},
  editor       = {{Hertelé, Stijn}},
  isbn         = {{9789490726027}},
  issn         = {{2032-7471}},
  keywords     = {{Axial Straining Capacity,Spiral Linepipe,Strain Based Design}},
  language     = {{eng}},
  location     = {{Ghent, Belgium}},
  number       = {{1}},
  pages        = {{44--51}},
  publisher    = {{Ghent University, Laboratory Soete}},
  title        = {{Strain based design considerations for spiral welded pipelines}},
  volume       = {{3}},
  year         = {{2012}},
}