In recent years, requirement for the consideration of global buckling due to high pressure/high temperature (HP/HT) condition has increased in the detailed design of offshore pipelines on a seabed. The interaction between pipeline and seabed including support structures or sleepers gives a significant effect on buckling behavior. Global lateral buckling analysis has been carried out to assess the stability of offshore HP/HT pipelines considering the interaction between HP/HT submarine pipeline system/foundation structure and seabed. A non-linear finite element method is used in the present static analysis using the ABAQUS program. The FE model considers concrete sleepers as well as 3-D profile of the seabed. The stress distribution and lateral amplitude of the pipeline were evaluated and remedial measures were suggested to ensure that pipe stresses and strains are kept within allowable limits. Sleepers are designed as a buckle trigger which can provide artificial imperfection to allow pipe to move laterally and mitigate axial force. Comparative study could provide design strategy of pipeline related to sleeper supports.
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2010 8th International Pipeline Conference
September 27–October 1, 2010
Calgary, Alberta, Canada
Conference Sponsors:
- International Petroleum Technology Institute and the Pipeline Division
ISBN:
978-0-7918-4422-9
PROCEEDINGS PAPER
Global Buckling Assessment of High Pressure and High Temperature (HP/HT) Offshore Pipeline Available to Purchase
Seung-Ho Yang,
Seung-Ho Yang
Hyundai Heavy Industries, Co., Ulsan, Korea
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Jong-Jin Jung,
Jong-Jin Jung
Hyundai Heavy Industries, Co., Ulsan, Korea
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Yun-Hak Kim,
Yun-Hak Kim
Hyundai Heavy Industries, Co., Ulsan, Korea
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Woo-Seob Lee,
Woo-Seob Lee
Hyundai Heavy Industries, Co., Ulsan, Korea
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Jong-Bae Kim
Jong-Bae Kim
Hyundai Heavy Industries, Co., Ulsan, Korea
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Seung-Ho Yang
Hyundai Heavy Industries, Co., Ulsan, Korea
Jong-Jin Jung
Hyundai Heavy Industries, Co., Ulsan, Korea
Yun-Hak Kim
Hyundai Heavy Industries, Co., Ulsan, Korea
Woo-Seob Lee
Hyundai Heavy Industries, Co., Ulsan, Korea
Jong-Bae Kim
Hyundai Heavy Industries, Co., Ulsan, Korea
Paper No:
IPC2010-31231, pp. 657-663; 7 pages
Published Online:
April 4, 2011
Citation
Yang, S, Jung, J, Kim, Y, Lee, W, & Kim, J. "Global Buckling Assessment of High Pressure and High Temperature (HP/HT) Offshore Pipeline." Proceedings of the 2010 8th International Pipeline Conference. 2010 8th International Pipeline Conference, Volume 3. Calgary, Alberta, Canada. September 27–October 1, 2010. pp. 657-663. ASME. https://doi.org/10.1115/IPC2010-31231
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