American Society of Civil Engineers

Stresses and Deformation of Buried Pipeline under Wave Loading

by D. S. Jeng, (Lectuer, School of Engrg., Griffith Univ. Gold Coast Campus, PMB 50 Gold Coast Mail Ctr., QLD 9726, Australia), P. F. Postma, (Undergraduate Student, School of Engrg., Griffith Univ. Gold Coast Campus, QLD, Australia), and Y. S. Lin, (Prof., Dept. of Civ. Engrg., Natl. Chung-Hsing Univ., Taichung, Taiwan, 402, ROC)

Journal of Transportation Engineering, Vol. 127, No. 5, September/October 2001, pp. 398-407, (doi:

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Document type: Journal Paper
Abstract: An evaluation of wave-induced pore pressures and effective stresses has been recognized by marine geotechnical engineers as an important factor in the design of offshore pipelines. Most previous investigations for the wave-seabed-pipe interaction problem have not considered the material of the pipeline. Thus, the internal stresses and deformation of the pipeline have not been investigated in the wave-seabed-pipe interaction problem. This paper considers the pipeline itself as an elastic material and links the analysis of the pipeline with the wave-seabed interaction problem. Based on the numerical results presented, the effective stresses in the angular direction σθθ and shear stress τ within the pipe are much larger than the wave-induced pore pressure.

ASCE Subject Headings:
Buried pipes
Underwater pipelines
Pore pressure
Stress analysis
Wave action