Seepage From Freewater Above Impermeable Tailings

by Lewis T. Isaacs, Sr. Lect.; Dept. of Civ. Engrg., Univ. of Queensland, Brisbane, Australia,
Bruce Hunt, Reader; Dept. of Civ. Engrg., Univ. of Canterbury, Christchurch, New Zealand,

Serial Information: Journal of the Geotechnical Engineering Division, 1981, Vol. 107, Issue 11, Pg. 1563-1577

Document Type: Journal Paper


A proposed model for seepage discharge into a porous embankment from free water above impermeable tailings is described. It is assumed that the discharge is controlled by saturated seepage in an entry zone adjacent to the free water interface. The isotropic entry zone has been analysed by complex variable methods and a general solution obtained for seepage discharge quantities. Application of the solution to anisotropic embankments is described. The significance of the theoretical results for design is discussed and a simple formula proposed for estimating the discharge.

Subject Headings: Water discharge | Seepage | Mine wastes | Porous media | Hydrologic models | Isotropy | Anisotropy | Hydraulic design

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