Design and Performance of Earth Spillways

by David C. Ralston, SCS, United States,
John A. Brevard, SCS, United States,



Document Type: Proceeding Paper

Part of: Soil Properties Evaluation from Centrifugal Models and Field Performance

Abstract:

The U.S. Department of Agriculture's Soil Conservation Service has designed and administered construction of a large number of dams utilizing grassed earth-lined auxiliary spillways as a part of the spillway system. This type of spillway has been used for a significant number of dams in the last thirty years. The spillway design criteria is presented, along with the principles upon which it is based, and a summary of the performance experience of these spillways.

Subject Headings: Spillways | Hydraulic design | Soil structures | Hydraulic structures | Drop structures | Dams | Infrastructure construction

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