Buttress Dams

A buttress dam is a specific type of gravity dam in which the large mass of concrete or masonry is reduced, and the forces are diverted to the dam foundation through vertical or sloping buttresses.

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A diagram displaying how forces are transferred through the structure's buttress design. (USBR, 2019)

Components of Buttress Dams

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Life Cycle of Buttress Dams

1. Design and Construction of Buttress Dams
2. O&M of Buttress Dams
3. Decommissioning

Best Practices Resources

Engineering Guidelines for the Evaluation of Hydropower Projects: Chapter 10- Other Dams (Federal Energy Regulatory Commission)

Revision ID: 3324
Revision Date: 09/16/2022