Earthquakes and Structures

Techno-Press (테크노프레스)
권호 표지
DOI QR코드

DOI QR Code

Seismic behavior of deep-sea pipeline after global buckling under active control

  • Jianshuo Wang (Tianjin Key Laboratory of Civil Structure Protection and Reinforcement, Tianjin Chengjian University) ;
  • Tinghao Meng (Department of Civil Engineering, Tianjin Chengjian University) ;
  • Zechao Zhang (Science and Technology Research Institute of China Three Gorges Corporation) ;
  • Zhihua Chen (Department of Civil Engineering, Tianjin Chengjian University) ;
  • Hongbo Liu (Hebei Province Key Laboratory for Low-Carbon Construction and Resilience Enhancement of Construction Engineering, Hebei University of Engineering)
  • Received : 2023.07.31
  • Accepted : 2024.02.20
  • Published : 2024.04.25
⟨ Previous Next ⟩

Abstract

With the increase in the exploitation depth of offshore oil and gas, it is possible to control the global buckling of deep-sea pipelines by the snake lay method. Previous studies mainly focused on the analysis of critical buckling force and critical temperature of pipelines under the snake-like laying method, and pipelines often suffer structural failure due to seismic disasters during operation. Therefore, seismic action is a necessary factor in the design and analysis of submarine pipelines. In this paper, the seismic action of steel pipes in the operation stage after global buckling has occurred under the active control method is analyzed. Firstly, we have established a simplified finite element model for the entire process cycle and found that this modeling method is accurate and efficient, solving the problem of difficult convergence of seismic wave and soil coupling in previous solid analysis, and improving the efficiency of calculations. Secondly, through parameter analysis, it was found that under seismic action, the pipe diameter mainly affects the stress amplitude of the pipeline. When the pipe wall thickness increases from 0.05 m to 0.09 m, the critical buckling force increases by 150%, and the maximum axial stress decreases by 56%. In the pipe soil interaction, the greater the soil viscosity, the greater the pipe soil interaction force, the greater the soil constraint on the pipeline, and the safer the pipeline. Finally, the pipeline failure determination formula was obtained through dimensionless analysis and verified, and it was found that the formula was accurate.

Keywords

Acknowledgement

The research described in this paper was financially supported by the Tianjin Special Project for Technical Innovation Guidance (Fund) Enterprise Science and Technology Commissioner Project (23YDTPJC00140) of China.

References

  1. Alrsai, M., Karampour, H. and Alsanat, H. (2022), "Collapse failure of textured subsea pipeline under external pressure; numerical and parametric study", Ocean Eng., 266, 112993. https://doi.org/10.1016/j.oceaneng.2022.112993.
  2. Bao, R.D. and Wen, B.C. (2007), "Dynamic response analysis of submarine free spanning pipeline", J. Vib. Shock, 26(8), 140-143. https://doi.org/10.13465/j.cnki.jvs.2007.08.004.
  3. DNV-RP-F110 (2007), Global Buckling of Submarine Pipelines-Structural Design to High Temperature/High Pressure, Det Norske Veritas, Baerum, Norway.
  4. Gary, C. and Rathbone, A. (2010), "Euler buckling of idealized horizontal pipeline improvements", Proceedings of the 29th International Conference on Ocean, Offshore and Arctic Engineering, Shanghai, China, June.
  5. Hibbitt, K.S (1997), ABAQUS: Theory Manual, Hibbitt, Karlsson & Sorensen, Inc., Providence, RI, USA.
  6. Hou, Z.L. and Gan W.S. (1990), "Seismic response analysis of heated oil pipelineseismic response analysis of heated oil pipeline", Indust. Constr., 1990(1), 23-27.
  7. Jia, L. and Xie, Y.P. (2014), "Numerical simulation of test on underground pipeline excitated by seismic wave", World Earthq. Eng., 2014(2), 91-98.
  8. Jinghai, Z., Hongnan, L. and Yang, S. (2009), "Pullout test research on the underground water pipelines", J. Shenyang Jianzhu Univ. Nat. Sci., 2009(3), 675-681.
  9. Liu, Y., Li, X., Zhou, J. and Song, H. (2013), "Postbuckling analysis of snaked-lay pipelines based on a new deformation shape", J. Offshore Mech. Arctic Eng., 135(3), 031704. https://doi.org/10.1115/1.4024101.
  10. Rezaiee-Pajand, M. and Amir R. Masoodi (2019), "Shell instability analysis by using mixed interpolation", J. Braz. Soc. Mech. Sci. Eng., 41(10), 1-18. https://doi.org/10.1007/s40430-019-1937-y.
  11. Rundsag, J.O., Tornes, K., Cumming, G., Rathbone, A.D. and Roberts, C. (2008), "Optimized snaked lay geometry", Proceedings of the 8th International Offshore and Polar Engineering Conference, Vancouver, BC, Canada, July.
  12. Shinozuka, M., Tan, R.Y. and Toike, T. (1981), "Serviceability of water transmission systems under seismic risk, lifeline earth engineering", Current State Knowled., 1981, 97-110.
  13. Tan, P.T. (2017), "Dynamic response characteristics of spanning pipes under the combined effect of the earthquake wave current", Ph.D. Dissertation, Dalian University of Technology, Dalian, China.
  14. Yang, L., Luo, Y., Qiu, T., Zheng, H. and Zeng, P. (2021), "A novel analytical study on the buckling of cylindrical shells subjected to arbitrarily distributed external pressure", Eur. J. Mech. A Solids, 91, 104406. https://doi.org/10.1016/j.euromechsol.2021.104406.