Asymptotic Solution for Dam Break on Sloping Channel
Publication: Journal of Hydraulic Engineering
Volume 109, Issue 12
Abstract
The kinematic‐wave approximation is used to obtain a closed‐form solution for the catastrophic failure of a dam upon a wet, sloping channel. The solution shows that increasing the initial water depth upon the channel increases both the time and distance required for the resulting shock to approach any given depth downstream. It is also shown that the kinematic‐wave solution becomes valid only after the shock travels a certain distance downstream and that increasing the initial water depth upon the channel increases this distance.
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References
1.
Henderson, F. M., Open Channel Flow, Macmillan Publishing Co., New York, N.Y., 1966, p. 302.
2.
Hunt, B., “Asymptotic Solution for Dam‐Break Problem,” Journal of the Hydraulics Division, ASCE, Vol. 108, No. HY1, Proc. Paper 16801, Jan., 1982, pp. 115–126.
3.
Strelkoff, T., Schamber, D., and Katopodes, N., “Comparative Analysis of Routing Techniques for the Floodwave from a Ruptured Dam,” Proceedings, Dam‐Break Flood Routing Model Workshop, Bethesda, Md., 1977, pp. 228–291.
4.
Whitham, G. B., Linear and Nonlinear Waves, John Wiley and Sons, Inc., New York, N.Y., 1974, p. 30.
5.
Yevjevich, V., “Sudden Water Release,” Unsteady Flow in Open Channels, K. Mahmood and V. Yevjevich, eds., Chp. 15, Vol. II, Water Resources Publications, Fort Collins, Colo., 1975, p. 660.
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Published In
Journal of Hydraulic Engineering
Volume 109 • Issue 12 • December 1983
Pages: 1698 - 1706
Copyright
Copyright © 1983 ASCE.
History
Published online: Dec 1, 1983
Published in print: Dec 1983
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