Experimental research into the stability of crown walls on a rubble mound breakwater

Master Thesis (2024)
Author(s)

D.J.E. Vos (TU Delft - Civil Engineering & Geosciences)

Contributor(s)

Marcel R. A. Gent – Mentor (TU Delft - Coastal Engineering)

Bas Hofland – Graduation committee member (TU Delft - Hydraulic Structures and Flood Risk)

D.C.P. van Kester – Graduation committee member (TU Delft - Coastal Engineering)

Alessandro Antonini – Mentor (TU Delft - Coastal Engineering)

Faculty
Civil Engineering & Geosciences
More Info
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Publication Year
2024
Language
English
Graduation Date
25-09-2024
Awarding Institution
Delft University of Technology
Programme
['Civil Engineering | Hydraulic Engineering']
Faculty
Civil Engineering & Geosciences
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Abstract

In this thesis, the loading characteristics of a crown wall on a rubble mound breakwater are investigated using a 2D physical model. The study examines both overall stability (through sliding) and the temporal and spatial distributions of pressure along the face and base of the crown wall. A range of wave conditions is tested, with particular emphasis on the influence of foundation level on the loading characteristics. Additionally, a second breakwater core is used to assess the impact of permeability on the wave loading characteristics. The findings highlight the significance of both parameters and analyze the discrepancies between predicted and measured maximum horizontal and vertical forces after wave impact. Furthermore, a novel two-step method is proposed to improve existing design methods, enabling more accurate estimation of wave loads.

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