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Reading: Influence of Relative Water Depth on Wave Run-up over Coastal Structures: Rough Slopes

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Section I

Influence of Relative Water Depth on Wave Run-up over Coastal Structures: Rough Slopes

Authors:

D. A. Peiris ,

Road Development Authority, Ratnapura, LK
About D. A.

Project Engineer, Flood Damage Project

AMI E (SL). BSc. Eng. (Hons) (Peradeniya). M.Phil. in Engineering (Peradeniya)

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J. J. Wijetunge

University of Peradeniya, LK
About J. J.

Senior Lecturer, Department of Civil Engineering

AMIE (SL). BSc Eng. (Hons) (Moratuwa), PhD (Cambridge)

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Abstract

This paper is concerned with an experimental study carried out in a laboratory wave flume to quantify the influence of the relative water depth on the wave run-up over a rough sloping structure. The run-up measurements were carried out over a bed of gravel of median diameter 20 mm for practically important ranges of the wave steepness, the relative water depth and the structure slope. The results indicate a maximum increase in the wave run-up of about 20% at shallow depths compared to deep water conditions. The measurements also suggest that the range of relative depths that cause an increase in the wave run-up compared to deep water conditions fall between 0.8 and 2 with the maximum effect occurring at a relative depth of about 1.2.
How to Cite: Peiris, D.A. & Wijetunge, J.J., (2006). Influence of Relative Water Depth on Wave Run-up over Coastal Structures: Rough Slopes. Engineer: Journal of the Institution of Engineers, Sri Lanka. 39(3), pp.25–32. DOI: http://doi.org/10.4038/engineer.v39i3.7190
Published on 29 Jul 2006.
Peer Reviewed

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