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,



Document Type: Proceeding Paper

Part of: Geotechnical Practice in Dam Rehabilitation

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 | Trenches | Rehabilitation | Geosynthetics | Diaphragm walls | Structural safety | Structural control

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