Eliminating Waterlogging Caused by Canal Seepage

by Adbel-wahab M. Amer,


Serial Information: Journal of the Irrigation and Drainage Division, 1966, Vol. 92, Issue 2, Pg. 33-46


Document Type: Journal Paper

Abstract:

The phenomenon of waterlogging caused by canal seepage flow is described, using a covered interceptor, for the hydrogeological conditions of the Nile Valley (Egypt, U.A.R.). The problem is considered as a two-dimensional steady-seepage flow from a canal into an interceptor drain, placed in a semipervious aquifer, with a deep impervious stratum. The resulting mathematical theory is checked with an experimental study. The method of calculating the interceptor drain is given, and a practical example is solved. It is concluded that the maximum efficiency of interceptor drains, adopted for such hydrogeological conditions, can be attained by keeping a certain ratio between the hydraulic permeability of the aquifer and the clay layer.



Subject Headings: Drainage | Canals | Hydrogeology | Two-dimensional flow | Aquifers | Permeability (soil) | Seepage | Water flow | Egypt | Africa | Middle East

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