DAMAGE FUNCTION OF RUBBLE-MOUND BREAKWATERS
THE RESULTS OF MODEL EXPERIMENTS ON RUBBLE-MOUND BREAKWATERS ARE PRESENTED. EMPHASIS WAS PLACED ON THE DETERMINATION OF THE DAMAGE FUNCTION FOR BOTH PERPENDICULAR AND OBLIQUE WAVE ATTACK. THE EXPERIMENTS WERE RESTRICTED TO STRAIGHT SEAWARD SLOPES. 1:1.5, 1:2, AND 1:3 AND ANGLES OF WAVE INCIDENCE 0 DEGREES (PERPENDICULAR ATTACK), 30, 45, 60, AND 90 DEGREES. NO OVERTOPPING OCCURRED. THE DIAMETER OF THE STONES USED IN THE TESTS WAS ABOUT 1 CM. FROM THE RESULTS OF THE TESTS FOR PERPENDICULAR WAVE ATTACK IT FOLLOWED THAT THE SHAPE OF THE DAMAGE CURVE VARIED WITH THE BREAKWATER SLOPE. THE TESTS FOR OBLIQUE WAVE ATTACK INDICATED THAT IT SEEMS WISE NOT TO COUNT ON MUCH REDUCTION IN STONE WEIGHT, IF ANY, FOR ANGLES OF WAVE INCIDENCE SMALLER THAN 45 DEGREES. A COMPARSION WITH PREVIOUSLY PUBLISHED DATA ON BREAKWATER STABILITY REVEALED A CONSIDERABLE SCALE EFFECT DUE TO THE SMALL STONE SIZES USED IN THE MODEL TESTS. /ASCE/
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Supplemental Notes:
- Vol 95, No WW3, PROC PAPER 6743, PP 345-354, 4 FIG, 2 TAB,
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Authors:
- van de Kreeke, J
- Publication Date: 1969-8
Media Info
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Serial:
- Journal of Waterways and Harbors Division
- Publisher: American Society of Civil Engineers
Subject/Index Terms
- TRT Terms: Angle of incidence; Breakwaters; Hydraulic structures; Loss and damage; Rubble; Size; Slopes; Stone; Water waves; Weighing devices
- Uncontrolled Terms: Hydraulic models; Model tests; Scale
- Subject Areas: Geotechnology; Highways; Hydraulics and Hydrology; Marine Transportation;
Filing Info
- Accession Number: 00204245
- Record Type: Publication
- Files: TRIS
- Created Date: Nov 24 1994 12:00AM