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Vertical Caisson Breakwaters Cyclically Loaded
Maccarini, F; De Groot, M; Van Baars, Stefan
2008In 11th Baltic Sea Geotechnical Conference on Geotechnics in Maritime Engineering
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Abstract :
[en] Aim of this paper is analysing the breakwater foundation behaviour observed during centrifuge tests performed at the laboratory of GeoDelft (The Netherlands). Dynamic centrifuge tests were performed on a model caisson breakwater, founded on medium-dense sand. The structure was subjected to cyclic horizontal loading simulating regular and irregular wave loading, until failure occurred. The tests were aimed at finding a critical failure mechanism, investigating the influence of the loading scheme and analysing the development of instantaneous pore pressures and residual pore pressures in the sandy subsoil. Test results showed high instantaneous values of excess pore pressures underneath the structure, not leading to a complete “liquefaction flow” failure. Dilation phenomena of sand induced local “recovering” of strength during each cycle and failure occurred according to a progressive mechanism with large cyclic strains.
Disciplines :
Civil engineering
Author, co-author :
Maccarini, F
De Groot, M
Van Baars, Stefan ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
External co-authors :
yes
Language :
English
Title :
Vertical Caisson Breakwaters Cyclically Loaded
Publication date :
September 2008
Event name :
11th Baltic Sea Geotechnical Conference on Geotechnics in Maritime Engineering
Event place :
Gdansk, Poland
Event date :
September 2008
Audience :
International
Main work title :
11th Baltic Sea Geotechnical Conference on Geotechnics in Maritime Engineering
Collection name :
Proc. 11th Baltic Sea Geotechnical Conf., Gdansk, Sept. 2008; Gdansk Univ. Technol./Pol. Comm. Geotech., 2008, Vol.1, pp. 527-534
Peer reviewed :
Peer reviewed
Available on ORBilu :
since 24 September 2015

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