Seepage under Structures on Stratified Soil

by Charles W. Lenau,

Serial Information: Journal of the Engineering Mechanics Division, 1967, Vol. 93, Issue 4, Pg. 39-54

Document Type: Journal Paper


The seepage under a flat-bottomed structure resting on two homogenous strata of soil is studied by perturbation techniques. The solution obtained is valid when the permeability in the lower stratum is much greater than the permeability in the upper one. A comparison is made between Polubarinova-Kochina's exact solution for equal strata thicknesses and the perturbation solution. The final equations which contain only elementary functions are easily used with the aid of a slide rule. Results are also presented in graphs.

Subject Headings: Seepage | Soil structures | Homogeneity | Comparative studies | Thickness

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