Sediment Evacuation System for Impounded Rivers

by Shahriar Eftekharzadeh, Bechtel Civil, Inc., United States,
Emmett M. Laursen, Bechtel Civil, Inc., United States,

Document Type: Proceeding Paper

Part of: Waterpower '89


Current solution techniques for the reservoir sedimentation problem are presented and their rationale questioned. The need for focusing on the overall river transport regime is emphasized. A pipeline solution which aims at balancing downstream sediment and water releases is presented and investigated. It is demonstrated that such a system can serve as an escape route for the trapped sediment on a continuous basis. The system requires only a fraction of the incoming water to evacuate the incoming sediment.

Subject Headings: Sediment | Evacuation | Water storage | River systems | Sediment transport | Rivers and streams | Water pipelines | Reservoirs

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