Wave-Induced Pore Pressure and Effective Stresses in a Porous Seabed With Variable Permeability

[+] Author and Article Information
D. S. Jeng

Centre for Offshore Foundation Systems, The University of Western Australia, Nedlands, WA 6907, Australia

B. R. Seymour

Department of Mathematics, University of British Columbia, Vancouver, B.C. V6T 1Z2, Canada

J. Offshore Mech. Arct. Eng 119(4), 226-233 (Nov 01, 1997) (8 pages) doi:10.1115/1.2829100 History: Received July 01, 1996; Revised May 12, 1997; Online December 17, 2007


An evaluation of wave-induced soil response is particularly important for marine geotechnical engineers involved in the design of foundations for offshore structures. To simplify the mathematical procedure, most theories describing the wave-seabed interaction problem have assumed a porous seabed with uniform permeability, despite strong evidence of variable permeability. This paper presents an analytical solution for the wave-induced soil response in a porous seabed with variable permeability. Verification is available through a reduction to the simple case of uniform permeability. The results indicate that the effect of variable soil permeability on pore pressure and effective stresses is significant.

Copyright © 1997 by The American Society of Mechanical Engineers
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