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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Repairs at Glen Canyon Dam
Author(s): Philip H. Burgi and Melissa S. Eckley
Publication: Concrete International
Appears on pages(s): 24-31
Keywords: concrete dams; erosion; repairs; spillways; tunnel linings; Construction
Abstract:Colorado River runoff at the Glen Canyon Dam in northeast Arizona was 180 percent of normal in the summer of 1983. This extreme condition made it necessary to use both of the 41 ft diameter tunnel spillways at the 710 ft high dam. Operating these spillways for two months produced such extensive damage to the concrete liner and foundation rock that 2810 yd3 (2150 m3) of concrete and rock were scoured from the tunnels. A number of construction techniques were required to backfill the eroded cavities in the foundation rock, repair the tunnel liners, and construct the large aeration slot needed to each tunnel to prevent cavitation-initiated damage in the future.
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