Proposed USACE EM 1110-2-1913 erosion analysis guidance
The U.S. Army Corps of Engineers is updating EM 1110-2-1913, Design, Construction and Evaluation of Levees, including new guidance on how to conduct erosion analysis. This paper presents the two erosion models considered: erosion rate as a function of shear stress and an empirical relationship relating wave overtopping flow rate to erosion rate. The paper also suggests the current state-of-the-practice regarding factors to be considered when selecting erosion model parameters. Erosion design will be conducted in a risk-informed framework, using potential failure modes analysis and when possible, ...
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