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Rocking Revisited 1. Rocking of a Single Cube on a Breakwater Slope

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posted on 20.06.2016 by Tuan Le
Prototype single layer armour units on a breakwater slope are observed to break. To predict when breakage occurs, the objective of this research project is to obtain knowledge on, and measurements of the rocking behaviour and failure mode of single layer armour units. A single cube on a breakwater slope is subjected to investigations. Wave flume tests are conducted, in which rotations of a single cube are measured as a consequence of various hydraulic conditions. The tested parameters are: degree of exposure of cube, wave height, wave steepness and position on slope in relation to the water level. A three-axis accelerometer, which is placed in the cube’s centre, is applied during this Master's Thesis. Furthermore, wave gauges are applied to measure the wave conditions. For future CFD-modelling, measurements are conducted on water pressures during wave run-up on a non-rotating cube, using a pressure sensor. In addition, wave run-up velocities and the movements of the cube are captured with two cameras.

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Contributors

Hofland, B.; TU Delft, Faculty of Civil Engineering and Geoscience, Hydraulic Engineering; Uijttewaal, W.S.J. (Wim); van Gent, M.R.A.; van den Bos, J.P.; van der Lem, C.J.

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TU Delft

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media types: text/html

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