Experimental Study of Wave Transmission

by Mohamed Sameh Nasser, Asst. Prof.; Dept. of Civ. Engrg., Sir George Williams Univ., Montreal, PQ, Canada,
John A. McCorquodale, (A.M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg., Univ. of Windsor, Windsor, ON, Canada,

Serial Information: Journal of the Waterways, Harbors and Coastal Engineering Division, 1974, Vol. 100, Issue 4, Pg. 279-286

Document Type: Journal Paper


Unsteady non-Darcy flow in rectangular rock-fill embankments with impervious cores was studied experimentally by subjecting the embankments to nonlinear, shallow water waves. Crushed rock and quartz were utilized, in sizes ranging from 0.7 to 4.4 cm, to build embankments of various widths. The embankments were tested for several wave conditions. Empirical formulas are presented for transmission, reflection, runup, and rushdown and all gave good correlations. An upward shift of the mean water level in the embankments was detected during the experiments. It was found that transmission decreased with decreasing conductivity and increasing wave steepness and embankment width, and that reflection decreased with increasing conductivity and width of embankment.

Subject Headings: Water waves | Power transmission | Nonlinear waves | Wave reflection | Unsteady flow | Water flow | Shallow water | Gravels

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