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USBR Design Considerations for Roller Compacted Concrete Dams

by Howard L. Boggs, Bureau of Reclamation, Denver, CO, USA,
Alan T. Richardson, Bureau of Reclamation, Denver, CO, USA,



Document Type: Proceeding Paper

Part of: Roller Compacted Concrete

Abstract:

Current Bureau design criteria for concrete dams are based on analytical methods developed and improved over the years, evaluation of construction methods and post construction materials testing, and operational experience documented with periodic visual examination and evaluation of structural behavior measurements. Design assumptions and safety factors are based on an acceptable quality control from concept, through design, through construction, and through years of operation. Roller compacted concrete (RCC) dams incorporate specifics that apply different weighted factors which are not yet proven, but which have been evaluated according to experience and judgment. Issues such as influence of foundation stability and deformation, shape of dam both in plan and cross-section, appropriate loads and load combination, and appurtenances such as spillways and outlets within the dams are considered with equal concern.

Subject Headings: Concrete dams | Roller-compacted concrete | Construction methods | Dam foundations | Compaction (material) | Infrastructure construction | Economic factors | Colorado | United States

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