TECHNICAL NOTES
Nov 1, 1988

Soft Mud Properties: Voigt Model

Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 114, Issue 6

Abstract

Laboratory tests show that the selected muds, with sediment concentration from 150 to 500 g/l, can resist shear force even after they were severely disturbed. These tests were conducted to clarify why the Voigt element, a simple viscoelastic model, was selected to model the response of mud beds in the wave erosion tests. The viscoelastic constants (shear modulus and viscosity) of the selected sediments were also obtained. The shear modulus increases with the dry density and might reach to a plateau. Inasmuch as the different physical meaning of the viscosity for a viscous fluid and for a viscoelastic material, the viscosity decreases when increasing the dry density, but it decreases when the density is less than a specific value.

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References

1.
Hardin, B. O., and Drnevich, V. P. (1972). “Shear modulus and damping in soils: measurement and parameter effects.” J. Soil Mech. and Found. Div., ASCE, 98(6), 603–624.
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Maa, P.‐Y. (1986). “Erosion of soft muds by waves,” dissertation presented to the Univ. of Florida, Gainesville, Fla., in partial fulfillment of the requirements for the degree of Doctor of Philosophy.
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Published In

Go to Journal of Waterway, Port, Coastal, and Ocean Engineering
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 114Issue 6November 1988
Pages: 765 - 770

History

Published online: Nov 1, 1988
Published in print: Nov 1988

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Authors

Affiliations

Jerome P.‐Y. Maa
Asst. Prof., Virginia Inst. of Marine Sci., College of William and Mary, Gloucester Point, VA 23062
Ashish J. Mehta, Member, ASCE
Prof., Coast. Oceanographic Engrg. Dept., Univ. of Florida, Gainesville, FL 32611

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