A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Bluestone Dam Rock Scour
Advancements in hydrologic methods have often yielded greater estimates for design flood events. This can be problematic for older dams when the constructed spillway can no longer adequately pass the revised flood estimate. Bluestone Dam is one such case where recent estimates have indicated more than a twofold increase in the design flood magnitude. Moveable bed physical hydraulic model studies for flows greater than the original design indicated complex flow conditions and the potential for significant scour in the unlined hydraulic jump stilling basin. The ability of the homogeneous gravel used in the model study to represent scour potential of intact rock in the actual basin was questionable. As such, Annandale's Erodibility Index Method was used to provide revised scour estimates within the stilling basin. This paper presents a unique solution to a complex problem.
Bluestone Dam Rock Scour
Advancements in hydrologic methods have often yielded greater estimates for design flood events. This can be problematic for older dams when the constructed spillway can no longer adequately pass the revised flood estimate. Bluestone Dam is one such case where recent estimates have indicated more than a twofold increase in the design flood magnitude. Moveable bed physical hydraulic model studies for flows greater than the original design indicated complex flow conditions and the potential for significant scour in the unlined hydraulic jump stilling basin. The ability of the homogeneous gravel used in the model study to represent scour potential of intact rock in the actual basin was questionable. As such, Annandale's Erodibility Index Method was used to provide revised scour estimates within the stilling basin. This paper presents a unique solution to a complex problem.
Bluestone Dam Rock Scour
George, M. F. (author) / Annandale, G. W. (author)
International Conference on Scour and Erosion (ICSE-5) 2010 ; 2010 ; San Francisco, California, United States
Scour and Erosion ; 757-766
2010-10-29
Conference paper
Electronic Resource
English
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