Water Waves Generated by Landslides in Reservoirs

by Robert L. Wiegel, (M.ASCE), Prof. of Civ. Engrg.; Univ. of California, Berkeley, CA,
Edward K. Noda, Grad. Student; Univ. of California, Berkeley, CA,
Edward M. Kuba, Grad. Student; Univ. of California, Berkeley, CA,
Dennis M. Gee, Grad. Student; Univ. of California, Berkeley, CA,
Gordon F. Tornberg, Grand Student; Univ. of California, Berkeley, CA,


Serial Information: Journal of the Waterways, Harbors and Coastal Engineering Division, 1970, Vol. 96, Issue 2, Pg. 307-333


Document Type: Journal Paper

Discussion: Hammack Joseph L. (See full record)

Abstract: Results of hydraulic laboratory tests of an idealized rockfall are presented, with the main parameters being the ratio of rockfall width to water depth, λ/d, and a Froude number based upon the ratio of the average rockfall velocity to gd.5. For a rather large range of these two parameters, a linear theory for the generation of water waves by a similar mechanism is shown to be useful as a guide to interpreting the results. For large values of the two parameters, especially λ/d, the linear theory of marginal usefulness. It is shown by means of the results of two similar tests, with a geometric scale ratio of 1:4, that a small model test can be used to predict the results to be expected from a large model test even in the range where bores form, provided the velocity time histories of the falling rock are similar.

Subject Headings: Model tests | Landslides | Water waves | Parameters (statistics) | Linear functions | Wave generation | Scale models | Hydraulics

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