Abstract: Aging embankment dams are commonly plagued with insufficient spillway capacity. To provide increased spillway capacity, stepped chutes are frequently applied as an overtopping protection system for embankment dams. Stepped ...

Abstract: Retrofitting embankment dams with stepped spillways has become a common design practice, particularly for those dams that change hazard classification from low to high. For embankment dams retrofitted with stepped spillways, ...

Abstract: A two-dimensional, physical model was constructed to evaluate the air entrainment inception point location in a 4(H):1(V) stepped spillway. Step heights of 38, 76, and 152 mm were evaluated. The physical model was constructed ...

Abstract: Severe scour may occur downstream of SAF stilling basins and some type of protection may be required to ensure the integrity of the structure. Tests were conductred using physical models to determine the minimum size and ...

Abstract: Studies were conducted with a two-dimensional 1:20 scale model of a roller compacted concrete stepped spillway to evaluate the flow transition from the level spillway crest to the sloping steps, the energy dissipation of ...