Hydrodynamics of Earth Fill Dam Breach Erosion

by Vijay P. Singh, (M.ASCE), Louisiana State Univ, Baton Rouge, LA, USA,
Panagiotis Scarlatos, (A.M.ASCE), Louisiana State Univ, Baton Rouge, LA, USA,
John G. Collins, Louisiana State Univ, Baton Rouge, LA, USA,
Mark R. Jourdan, Louisiana State Univ, Baton Rouge, LA, USA,



Document Type: Proceeding Paper

Part of: Water Forum '86: World Water Issues in Evolution

Abstract:

An analytical model is suggested in this paper. The model is based on the continuity equation of water mass within the reservoir, a broad-crested weir discharge formula and a velocity power law for breach erosion. Depending on the values of certain parameters, the resulting equations can be either linear or nonlinear. Solutions are presented for rectangular and triangular breach cross sections.

Subject Headings: Dam failures | Embankment dams | Water discharge | Piping erosion | Hydrodynamics | Hydro power | Weirs

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