Spillway Discharge Calculations in NWS DAMBRK
Publication: Journal of Hydraulic Engineering
Volume 115, Issue 7
Abstract
The hydraulic computations for spillway discharges employed by the National Weather Service computer program NWS DAMBRK are presented. Important assumptions and limitations of the equations are discussed. The techniques have been applied in several dam-breach studies in the United States.
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References
1.
Fread, D. L. (1988). “The NWS DAMBRK model: Theoretical background/user documentation.” Office of Hydrology‐W23, National Weather Service, Silver Spring, MD.
2.
“Overflow spillway crest with adjacent concrete sections, abutment contraction coefficient.” (1964a). Hydraulic Design Criteria, Sheet 111‐3/1, U.S. Army Corps of Engineers, Vicksburg, Miss., June.
3.
“Overflow spillway crest with adjacent embankment sections, abutment contraction coefficient.” (1964b). Hydraulic Design Criteria, Sheet 111‐3/2, U.S. Army Corps of Engineers, Vicksburg, Miss., Jan.
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“Overflow spillways with stage‐discharge relation, uncontrolled flow.” (1972). Hydraulic Design Criteria, Sheet 111‐3/3, U.S. Army Corps of Engineers, Vicksburg, Miss., Feb.
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“Spillway crest discharge Coefficient, high overflow dams.” (1970). Hydraulic Design Criteria, Sheet 111‐3, U.S. Army Corps of Engineers, Vicksburg, Miss., Sep.
6.
“Tainter gates on spillway crests, discharge coefficients.” (1956). Hydraulic Design Criteria, Sheet 311‐1 to 311‐5, U.S. Army Corps of Engineers, Vicksburg, Miss.
7.
“Vertical lift gates on spillways, discharge coefficients.” (1968). Hydraulic Design Criteria, Sheet 312, U.S. Army Corps of Engineers, Vicksburg, Miss., Jan.
8.
Wormian, R. T. (1983). “Dominoes on the Columbia: Chief Joseph dam‐break model.” Symp. on Dam Breaks, National Weather Service.
Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 115 • Issue 7 • July 1989
Pages: 976 - 981
Copyright
Copyright © 1989 ASCE.
History
Published online: Jul 1, 1989
Published in print: Jul 1989
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