Polymer-Impregnated Concrete at Dworshak Dam

by Rodney J. Stebbins, Program Mgr.; Engrg.Systems Group, Foster-Miller Assoc., Inc., Waltham, Mass.,

Serial Information: Journal of the Construction Division, 1978, Vol. 104, Issue 4, Pg. 539-548

Document Type: Journal Paper


Dworshak Dam is the third highest concrete dam in the United States. After moderate usage, the stilling basin and an outlet suffered serious cavitation and erosion damage. The use of polymer impregnation in the repair of the damaged concrete is explained. Impregnation was performed on conventional concrete, fibrous concrete, dry-pack patches, vertical surfaces, and horizontal surfaces. This was the first major field application of polymer-impregnated concrete. The construction procedures used and the experience gained in the project are presented.

Subject Headings: Concrete dams | Concrete | Polymer | Stilling basins | Cavitation | Erosion | Rehabilitation | Infrastructure construction | United States

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