TECHNICAL NOTES
Jun 1, 1995
Tracking Dynamical Changes in Mud Bed due to Waves
Authors: Ashish J. Mehta, Member, ASCE , David J. A. Williams, P. Rhodri Williams, and Jingzhi FengAuthor Affiliations
Publication: Journal of Hydraulic Engineering
Volume 121, Issue 6
Abstract
The time variation of the phase velocity of a high-frequency shear wave was measured using a miniature rheometer in a laboratory mud bed subjected to monochromatic waves. The fall in the velocity, starting with an undisturbed bed, is shown to correlate with a corresponding decrease in bed rigidity as the bed becomes fluidized. The in-situ rheometry may be an effective means to track mud fluidization in the prototype environment.
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References
1.
Barnes, H. A., Hutton, J. F., and Walters, K. (1989). An introduction to rheology, Elsevier Science Publishing Co., Amsterdam, The Netherlands.
2.
Feng, J., Mehta, A. J., Williams, D. J. A., and Williams, P. R. (1992). “Laboratory experiments on cohesive soil bed fluidization by water waves.”Rep. UFL-COEL-92/015, Coast. and Oceanography Engrg. Dept., Univ. of Fla., Gainesville, Fla.
3.
Maa, J. P.-Y. and Mehta(1989). “Soft mud properties: Voight model.”J. Wtrwy., Port, Coast. and Oc. Engrg., 114(6), 765–770.
4.
Williams, P. R., and Williams, D. J. A. (1989). “Rheometry for concentrated cohesive suspensions.”J. Coast. Res., SI5, 151–164.
5.
Williams, P. R., and Williams, D. J. A.(1992). “The determination of dynamic moduli at high frequencies.”J. Non-Newtonian Fluid Mech., 42(3), 267–282.
Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 121 • Issue 6 • June 1995
Pages: 504 - 506
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Jun 1, 1995
Published in print: Jun 1995
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Authors
Affiliations
Ashish J. Mehta, Member, ASCE
Prof., Coast. and Oceanographic Engrg. Dept., Univ. of Fla., Gainesville, FL 32611.
David J. A. Williams
Prof., Dept. of Chemical Engrg., Univ. Coll. of Swansea, Swansea SA28PP, U.K.
P. Rhodri Williams
SERC Advanced Res. Fellow, Dept. of Chemical Engrg., Univ. Coll. of Swansea, Swansea SA28PP, U.K.
Jingzhi Feng
Grad. Asst., Coast. and Oceanographic Engrg. Dept., Univ. of Fla., Gainesville, FL 32611.
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