TECHNICAL NOTES
Aug 1, 1992
Influence of Seepage on Stability of Sandy Slope
Authors: C. van Rhee and A. BezuijenAuthor Affiliations
Publication: Journal of Geotechnical Engineering
Volume 118, Issue 8
Abstract
The influence of seepage on the stability of a sandy slope is investigated. Two failure modes that influence the slope stability can be distinguished. A `continuum' mode if an outward flow is present and a `single particle' mode for an inward flow. A description of these two failure modes is presented and compared with the results of experiments. The description of the continuum mode is based on well known continuum soil mechanics, the single particle mode is based on elaborating the momentum equation for one single sand particle. The single particle mode results in a lower stability than could be expected when using the continuum mode. In the experiments the stability of a sandy slope was tested for different slope angles and hydraulic gradients. In these experiments the difference between the two failure modes was clearly present and the transition between stable and unstable slope was in agreement with theory.
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References
1.
Terzaghi, K., Peck, R. B. (1967). Soil mechanics in Engineering practice. Second Ed., John Wiley & Sons, New York, N.Y.
2.
Lambe, T. W., Whitman, R. V. (1979). Soil mechanics, SI version. John Wiley & Sons, New York, N.Y.
3.
Koenders, M. A. (1985). Hydraulic criteria for filters. Estuary Physics report, Kew, Surrey, England.
Information & Authors
Information
Published In
Journal of Geotechnical Engineering
Volume 118 • Issue 8 • August 1992
Pages: 1236 - 1240
Copyright
Copyright © 1992 ASCE.
History
Published online: Aug 1, 1992
Published in print: Aug 1992
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Authors
Affiliations
C. van Rhee
Sr. Res. Engr., HAM Int. Dredging Contractors. P.O. Box 8574, 3009 AN Rotterdam, The Netherlands; Formerly, Proj. Engr., Dredging Tech. Group, Delft Hydr., The Netherlands
A. Bezuijen
Proj. Engr., Delft Geotech., P.O. Box 69, 2600 AB Delft, The Netherlands
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.