RCC: A Dam Rehab Solution Unearthed

by Kenneth D. Hanson, Resources Eng.; Portland Cement Association, 925 S, Niagara St., Denver, CO 80224,
John W. France, (M.ASCE), Assoc.; Geotechnical Engineers Inc., 5660 South Syracuse Circle, Suite 202, Englewood, CO 80111,

Serial Information: Civil Engineering—ASCE, 1986, Vol. 56, Issue 9, Pg. 60-63

Document Type: Feature article


Roller compacted concrete (RCC) is fast becoming a popular material for the rehabilitation of existing dams. Several dams have already been rehabilitated using RCC, and several more RCC rehabilitation are in various stages of planning and design summary. The RCC dam rehabilitation projects have included the provision of embankment overtopping protection and the repair of deteriorated or damaged overflow sections. The projects that have been completed to date have performed well, and the use of RCC provided significant savings in cost and reductions in construction schedules. It is likely that we will see an increased use of RCC for dam rehabilitation projects, particularly in providing embankment overtopping protection. This paper provides a discussion of four completed RCC dam rehabilitation projects and of the design considerations essential in the use of RCC for embankment overtopping protection.

Subject Headings: Embankment dams | Wave overtopping | Dams | Rehabilitation | Concrete dams | Roller-compacted concrete | Compaction (material) | Deterioration

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