Performance of Pipe Spillways for Dams

by David C. Ralston, Soil Conservation Service, United States,
Jimmy R. Wallace, Soil Conservation Service, United States,



Document Type: Proceeding Paper

Part of: Pipeline Design and Installation

Abstract:

The Soil Conservation Service has used several different kinds of pipe products for spillway conduits of dams. Materials with a shorter estimated life are used for smaller low hazard dams and reinforced concrete steel cylinder pressure pipe with a minimum diameter of 30 inches used for moderate to high hazard dams. Pipe deterioration experienced has resulted from backfill low soil-water resistivity and conveyed water of low mineral content. Maintenance and rehabilitation has been done by replacement and grouting in plastic pipe liners.



Subject Headings: Pipelines | Pipe materials | Concrete | Dams | Metals (chemical) | Materials characterization | Plastic pipes | Spillways

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