Capillarity and Seepage From An Array of Channels

by John C. Bruch, Jr.,

Serial Information: Journal of the Engineering Mechanics Division, 1969, Vol. 95, Issue 6, Pg. 1403-1416

Document Type: Journal Paper


The problem of seepage losses from a system of parallel triangular channels having a capillary fringe is solved exactly by use of conformail mapping techniques. The theory predicts the discharge per channel and the height of capillary rise as functions of the physical dimensions of the channel-drain system and the maximum depth of free surface between channels. In general, the system is underlain by a drainage layer at a finite depth. The case of an infinitely deep aquifer is solved separately. Numerical examples for channels having unit side slopes axe given with the results presented in the form of a table.

Subject Headings: Seepage | Mapping | Water discharge | Free surfaces | Drainage systems | Case studies | Aquifers | Numerical methods

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