Rockfill Dams: Design of Cougar Central Core Dam

by Paul Thurber,

Serial Information: Journal of the Power Division, 1958, Vol. 84, Issue 4, Pg. 1-12

Document Type: Journal Paper


The design of a rockfill embankment for Cougar Dam involved a choice between a central-core and a sloping-core section. The initial decision was for a sloping-core section but this was later reversed and a central-core section was adopted. The principal factor in making the final decision was the uncertainty as to the amount of water load settlement that could be expected in a rockfill embankment the height of the proposed dam and the susceptibility of a sloping core of compacted earth to rupture from the type of settlement that would occur.

Subject Headings: Earthfill dams | Slopes | Rockfill dams | Rock fills | Uncertainty principles | Compacted soils | Load and resistance factor design

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