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Dec 31, 2015
Prediction of Properties of Marine Sand by In-Situ Measurement of Wave Induced Pore Pressure
Authors: Yoshihiko Maeno and Takashi HasegawaAuthor Affiliations
Publication: Coastal Engineering 1986
Abstract
The purpose of this paper is to predict the physical and mechanical properties of deposits near the surface of the seabed by in-situ measurements of the wave-induced pore pressure.
First, the wave-induced pressure both at the surface of the seabed and inside the seabed are examined by frequency analysis, to clarify the propagation characteristics of pressure in the seabed.
Secondly, a theoretical equation which gives the relationship between pore pressure fluctuation and wave pressure fluctuation is proposed.
Thirdly, the porosity of the seabed is predicted by the propagating characteristics of the pore pressure within the seabed based on the results of both the model tests by wave tank and the field measurements of the wave-induced pore pressure.
Finally, by fitting the theoretical equation to the spectral ratio of the in-situ measured pore pressure fluctuation to wave pressure fluctuation, the bulk modulus of the seabed and the degree of saturation are predicted.
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Published In
Coastal Engineering 1986
Pages: 1378 - 1392
Copyright
© 1987 American Society of Civil Engineers.
History
Published online: Dec 31, 2015
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Authors
Affiliations
Yoshihiko Maeno
Assistant Professor, Dept. of Civil Eng., Maizuru College of Technology, 234 Shiraya Maizuru, Kyoto, 625.
Takashi Hasegawa
Professor, Dept. of Agricultural Eng., Kyoto University, Oiwake-cho Sakyo-ku, Kyoto, 606.
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