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|Title:||Laboratory data on wave run-up on roughened and permeable slopes|
|Authors:||United States. Army. Office of the Chief of Engineers|
Savage, Rudolph P.
|Publisher:||United States, Beach Erosion Board|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Technical memorandum (United States. Beach Erosion Board) ; no. 109.|
From the Introduction: The data on wave run-up presented herein have been previously presented in another form (1) along with a more complete discussion of the methods by which the data were obtained. The data are now being presented in a somewhat different form in order to show, dimensionally, differences for specific stone sizes rather than relating these differences to a non-dimensional parameter containing stone size and permeability. A brief description of the facilities, equipment and methods used to obtain the data follows; a more complete discussion of these factors may be obtained from the previous paper by the author (1). Wave run-up is defined as the vertical height of the limit of uprush reached by a wave breaking on a slope, using the still water as a reference (Figure 1). Run-up is important because it determines the height to which structures exposed to wave action must be built in order to prevent overtopping by the waves impinging on the structure. Overtopping results in flooding landward of the structure which may cause damage by rearface erosion or may weaken the foundation unless adequate safeguards are provided during design and construction. Also, wave run-up is important in determining the design berm elevation of artificial sand fills which are used extensively for shore protection.
|Appears in Collections:||Technical Memorandum|