Seepage Control in Dam Rehabilitation

by James P. Gould, Mueser Rutledge Consulting Engineers, New York City, United States,
Hugh S. Lacy, Mueser Rutledge Consulting Engineers, New York City, United States,



Abstract: This paper is concerned with the control of seepage problems which develop in existing dams. It is prefaced with a discussion of attitudes and experiences that have evolved over the last twenty years since the Dam Safety Law of 1972. Following this is a discussion of the evidence of developing problems, then causative factors and control methods - distinguishing drainage from cutoff measures. Emphasis is placed on remediation techniques which have developed in the last twenty years, particularly the use of geotextiles and slurry trench procedures.

Subject Headings: Seepage | Dam safety | Geosynthetics | Slurries | Trenches | Rehabilitation | Standards and codes

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