Rheological analysis of fine-grained natural debris-flow material
Edited by: French Richard H.
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Abstract
Experiments were conducted on large samples of fine-grained material (???2mm) from a natural debris flow using a wide-gap concentric-cylinder viscometer. The rheological behavior of this material is compatible with a Bingham model at shear rates in excess of 5 sec. At lesser shear rates, rheological behavior of the material deviates from the Bingham model, and when sand concentration of the slurry exceeds 20 percent by volume, particle interaction between sand grains dominates the mechanical behavior. Yield strength and plastic viscosity are extremely sensitive to sediment concentration.
Suggested Citation
Major, J.J., Pierson, T.C., 1990, Rheological analysis of fine-grained natural debris-flow material, in Hydraulics/Hydrology of Arid Lands, San Diego, CA, USA, 30 July 1990 through 2 August 1990, p. 225-231.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Rheological analysis of fine-grained natural debris-flow material |
| ISBN | 0872627713 |
| Year Published | 1990 |
| Language | English |
| Publisher | Publ by ASCE |
| Publisher location | Boston, MA, United States |
| Larger Work Title | Hydraulics/Hydrology of Arid Lands |
| First page | 225 |
| Last page | 231 |
| Conference Title | Proceedings of the International Symposium on Hydraulics/Hydrology of Arid Lands and 1990 National Conference on Hydraulic Engineering |
| Conference Location | San Diego, CA, USA |
| Conference Date | 30 July 1990 through 2 August 1990 |