Probable Maximum Flood Estimation for New and Existing Dams

by Anand Prakash, (F.ASCE), Dames & Moore, Rolling Meadows, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


Although various attempts have been made to streamline the procedures to determine PMF hydrographs for the design of new and rehabilitation of existing dams, there still remains a great deal of subjectivity in the development of an acceptable design value. A heuristic approach is presented in this paper to ascertain the reasonableness and conservatism of deterministically estimated PMF peak by comparing it with empirically estimated values of enveloping peak flows.

Subject Headings: Dams | Floods | Water conservation | Rehabilitation | Peak flow | Hydrographs | Hydraulic design

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