Irregular Wave Runup on Riprap Revetments
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 114, Issue 4
Abstract
Runup is one of the most important factors affecting the design of revetments exposed to wave action. Generally, riprap revetments are designed so that little or no runup exceeds the top of the protection. In the past this has been a difficult prediction to make, but now a new method for calculating the approximate upper limit of wave runup on riprap has been formulated. This method is based on laboratory data and is easy to apply through use of a recommended or an alternative formula. The recommended formula uses the Airy wavelength, , while the alternative formula uses the more standard deep-water wavelength, . The alternative formula provides an easy way to calculate a good ``rule-of-thumb'' estimate for runup. Both formulas can be used to compute the elevation to which protection needs to be extended to prevent exceedance by runup, or used to estimate potential severity of wave overtopping.
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References
1.
Ahrens, J. P., and Heimbaugh, M. S. (1988). “Approximate upper limit of irregular wave runup on riprap.” CERC Technical Report, U.S. Waterways Experiment Station, Coastal Engineering Research Center, Vicksburg, Miss, (in press).
2.
Ahrens, J. P., and McCartney, B. L. (1975). “Wave period effect on the stability of riprap.” Proc. Specialty Conf. on Civ. Engrg. in the Oceans III, ASCE, 1019–1034.
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Information & Authors
Information
Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 114 • Issue 4 • July 1988
Pages: 524 - 530
Copyright
Copyright © 1988 ASCE.
History
Published online: Jul 1, 1988
Published in print: Jul 1988
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