The effects of the initial geometric imperfections on the buckling response of grade X-100 UOE manufactured pipes are studied through finite element analysis (FEA). The initial geometric imperfections had been previously measured and quantified in terms of deviations in outside radius (OR) and wall thickness. The measurement results are used to develop imperfection models to be incorporated into buckling analysis. The OR deviation is seen to have insignificant effects on the buckling behavior, while the effects of thickness deviation are seen to be profound for both unpressurized and pressurized pipes. The geometric imperfection models are further investigated through a sensitivity study to isolate the most influential imperfection aspects on the buckling resistance of UOE pipes. A parametric study is carried out using these models and shows that excluding geometric imperfections will always result in overprediction of buckling capacity irrespective of D/t ratios.
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October 2016
Research-Article
Effects of the Initial Geometric Imperfections on the Buckling Behavior of High-Strength UOE Manufactured Steel Pipes
Muntaseer Kainat,
Muntaseer Kainat
4-110 Markin/CNRL Natural Resources
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: kainat@ualberta.ca
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: kainat@ualberta.ca
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Meng Lin,
Meng Lin
Markin/CNRL Natural Resources
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: lin4@ualberta.ca
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: lin4@ualberta.ca
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J. J. Roger Cheng,
J. J. Roger Cheng
3-029 Markin/CNRL Natural Resources
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: roger.cheng@ualberta.ca
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: roger.cheng@ualberta.ca
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Michael Martens,
Michael Martens
TRansCanada PipeLines Ltd.,
301 450-1st Street SW,
Calgary, AB T2P 5H1, Canada
e-mail: michael_martens@transcanada.com
301 450-1st Street SW,
Calgary, AB T2P 5H1, Canada
e-mail: michael_martens@transcanada.com
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Samer Adeeb
Samer Adeeb
3-025 Markin/CNRL Natural Resources
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: adeeb@ualberta.ca
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: adeeb@ualberta.ca
Search for other works by this author on:
Muntaseer Kainat
4-110 Markin/CNRL Natural Resources
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: kainat@ualberta.ca
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: kainat@ualberta.ca
Meng Lin
Markin/CNRL Natural Resources
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: lin4@ualberta.ca
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: lin4@ualberta.ca
J. J. Roger Cheng
3-029 Markin/CNRL Natural Resources
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: roger.cheng@ualberta.ca
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: roger.cheng@ualberta.ca
Michael Martens
TRansCanada PipeLines Ltd.,
301 450-1st Street SW,
Calgary, AB T2P 5H1, Canada
e-mail: michael_martens@transcanada.com
301 450-1st Street SW,
Calgary, AB T2P 5H1, Canada
e-mail: michael_martens@transcanada.com
Samer Adeeb
3-025 Markin/CNRL Natural Resources
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: adeeb@ualberta.ca
Engineering Facility,
University of Alberta,
9105 116th Street,
Edmonton, AB T6G 2W2, Canada
e-mail: adeeb@ualberta.ca
1Corresponding author.
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received October 26, 2015; final manuscript received March 3, 2016; published online April 29, 2016. Assoc. Editor: David L. Rudland.
J. Pressure Vessel Technol. Oct 2016, 138(5): 051206 (15 pages)
Published Online: April 29, 2016
Article history
Received:
October 26, 2015
Revised:
March 3, 2016
Citation
Kainat, M., Lin, M., Roger Cheng, J. J., Martens, M., and Adeeb, S. (April 29, 2016). "Effects of the Initial Geometric Imperfections on the Buckling Behavior of High-Strength UOE Manufactured Steel Pipes." ASME. J. Pressure Vessel Technol. October 2016; 138(5): 051206. https://doi.org/10.1115/1.4032990
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