Research Article
Nov 1978
Wave Forces on Pipeline Buried in Permeable Seabed
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VIEW THE REPLYPublication: Journal of the Waterway, Port, Coastal and Ocean Division
Volume 104, Issue 4
Abstract
The wave-induced seepage force on buried pipelines has been evaluated theoretically. The seepage force is shown to be large enough to warrant inclusion in future engineering design calculations for pipeline stablity. The pore-water pressure field at a pipeline buried in a permeable seabed has been determined from potential theory and the pressure at the pipe integrated to give a net seepage force. This force, of constant magnitude, rotates as the waves pass, thereby tending to force the pipe against the surrounding soil in a cyclic manner. As each wave trough passes over the pipeline the seepage force acts vertically upwards and when combined with the total bouyant force it increases the likelihood of pipeline flotation.
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Published In
Journal of the Waterway, Port, Coastal and Ocean Division
Volume 104 • Issue 4 • November 1978
Pages: 407 - 419
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Nov 1978
Published online: Feb 12, 2021
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Authors
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Hugh MacPherson
Grad. Student, Dept. of Theoretical and Applied Mechanics, School of Mathematics, Univ. of New South Wales, Kensington, N.S.W., Australia
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