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Experimental-numerical assessment of vintage pipe and girth weld with a geometrically complex corrosion feature

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Abstract
Standard pipe corrosion assessments are based on simplifying assumptions with respect to corrosion geometry and focus on pressure based loading. Moreover, when corrosion patches traverse girth welds, validity criteria to their assessment become impractically vague. The integrity of girth welds is additionally influenced by axial stresses, which may act in combination with hoop stress resulting from pressure. In an attempt to address these issues, the authors conducted a detailed assessment on a significant, highly irregular corrosion patch traversing a 12 '' natural gas pipeline girth weld. The investigation comprises a full scale uniaxial tensile test and supporting detailed finite element (FE) analyses. Hereby, the model mesh adopts detailed geometrical characteristics resulting from a surface profile scan obtained from stereoscopic digital image correlation. The numerical model is validated based on the uniaxial tensile test, in the sense that plastic collapse and highly complex strain distributions are successfully reproduced. Finally, the FE model is used to explore axial tensile failure in presence of internal pressure.

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MLA
Hertelé, Stijn et al. “Experimental-numerical Assessment of Vintage Pipe and Girth Weld with a Geometrically Complex Corrosion Feature.” PROCEEDINGS OF THE 12TH INTERNATIONAL PIPELINE CONFERENCE, 2018, VOL 1. ASME, 2018. Print.
APA
Hertelé, S., Galle, T., Van Minnebruggen, K., De Waele, W., & Huising, O. J. (2018). Experimental-numerical assessment of vintage pipe and girth weld with a geometrically complex corrosion feature. PROCEEDINGS OF THE 12TH INTERNATIONAL PIPELINE CONFERENCE, 2018, VOL 1. Presented at the 12th International Pipeline Conference (IPC 2018), ASME.
Chicago author-date
Hertelé, Stijn, Timothy Galle, Koen Van Minnebruggen, Wim De Waele, and Otto Jan Huising. 2018. “Experimental-numerical Assessment of Vintage Pipe and Girth Weld with a Geometrically Complex Corrosion Feature.” In PROCEEDINGS OF THE 12TH INTERNATIONAL PIPELINE CONFERENCE, 2018, VOL 1. ASME.
Chicago author-date (all authors)
Hertelé, Stijn, Timothy Galle, Koen Van Minnebruggen, Wim De Waele, and Otto Jan Huising. 2018. “Experimental-numerical Assessment of Vintage Pipe and Girth Weld with a Geometrically Complex Corrosion Feature.” In PROCEEDINGS OF THE 12TH INTERNATIONAL PIPELINE CONFERENCE, 2018, VOL 1. ASME.
Vancouver
1.
Hertelé S, Galle T, Van Minnebruggen K, De Waele W, Huising OJ. Experimental-numerical assessment of vintage pipe and girth weld with a geometrically complex corrosion feature. PROCEEDINGS OF THE 12TH INTERNATIONAL PIPELINE CONFERENCE, 2018, VOL 1. ASME; 2018.
IEEE
[1]
S. Hertelé, T. Galle, K. Van Minnebruggen, W. De Waele, and O. J. Huising, “Experimental-numerical assessment of vintage pipe and girth weld with a geometrically complex corrosion feature,” in PROCEEDINGS OF THE 12TH INTERNATIONAL PIPELINE CONFERENCE, 2018, VOL 1, Calgary, CANADA, 2018.
@inproceedings{8628821,
  abstract     = {Standard pipe corrosion assessments are based on simplifying assumptions with respect to corrosion geometry and focus on pressure based loading. Moreover, when corrosion patches traverse girth welds, validity criteria to their assessment become impractically vague. The integrity of girth welds is additionally influenced by axial stresses, which may act in combination with hoop stress resulting from pressure. In an attempt to address these issues, the authors conducted a detailed assessment on a significant, highly irregular corrosion patch traversing a 12 '' natural gas pipeline girth weld. The investigation comprises a full scale uniaxial tensile test and supporting detailed finite element (FE) analyses. Hereby, the model mesh adopts detailed geometrical characteristics resulting from a surface profile scan obtained from stereoscopic digital image correlation. The numerical model is validated based on the uniaxial tensile test, in the sense that plastic collapse and highly complex strain distributions are successfully reproduced. Finally, the FE model is used to explore axial tensile failure in presence of internal pressure.},
  articleno    = {V001T03A066},
  author       = {Hertelé, Stijn and Galle, Timothy and Van Minnebruggen, Koen and De Waele, Wim and Huising, Otto Jan},
  booktitle    = {PROCEEDINGS OF THE 12TH INTERNATIONAL PIPELINE CONFERENCE, 2018, VOL 1},
  isbn         = {9780791851869},
  issn         = {1537-6788},
  language     = {eng},
  location     = {Calgary, CANADA},
  pages        = {10},
  publisher    = {ASME},
  title        = {Experimental-numerical assessment of vintage pipe and girth weld with a geometrically complex corrosion feature},
  url          = {http://dx.doi.org/10.1115/IPC2018-78408},
  year         = {2018},
}

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