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Rheometry of natural sediment slurries

By:
Edited by:
Shen Hsieh WenSu S.T.Wen Feng

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Abstract

Recent experimental analyses of natural sediment slurries yield diverse results yet exhibit broad commonality of rheological responses under a range of conditions and shear rates. Results show that the relation between shear stress and shear rate is primarily nonlinear, that the relation can display marked hysteresis, that minimum shear stress can occur following yield, that physical properties of slurries are extremely sensitive to sediment concentration, and the concept of slurry yield strength is still debated. New rheometric analyses have probed viscoelastic behavior of sediment slurries. Results show that slurries composed of particles ??? 125 ?? m exhibit viscoelastic responses, and that shear stresses are relaxed over a range of time scales rather than by a single response time.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
Rheometry of natural sediment slurries
ISBN:
0872629201
Issue:
pt 2
Year Published:
1993
Language:
English
Publisher:
Publ by ASCE
Publisher location:
New York, NY, United States
Larger Work Title:
Proceedings - National Conference on Hydraulic Engineering
First page:
1415
Last page:
1421
Conference Title:
Proceedings of the National Conference on Hydraulic Engineering
Conference Location:
San Francisco, CA, USA
Conference Date:
25 July 1993 through 30 July 1993