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Soil Hydraulic Stability in a Subsurface Drainage System

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Transactions of the ASAE. 24 (3): 0666-0669. (doi: 10.13031/2013.34318) @1981
Authors:   Z. A. Samani, L. S. Willardson

ABSTRACT CLOGGING of drains with sediment is an important problem in the design and maintenance of subsur-face drainage systems. Soil stability and density, represented by plasticity index and hydraulic conductivi-ty can be used to estimate the internal water flow gra-dient at which hydraulic failure of the soil structure oc-curs.

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