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|Defining the optimal dredging level from nautical viewpoint|
Delefortrie, G.; Vantorre, M. (2005). Defining the optimal dredging level from nautical viewpoint, in: Mees, J. et al. (Ed.) VLIZ Young Scientists' Day, Brugge, Belgium 25 February 2005: book of abstracts. VLIZ Special Publication, 20: pp. 28
In: Mees, J.; Seys, J. (Ed.) (2005). VLIZ Young Scientists' Day, Brugge, Belgium 25 February 2005: book of abstracts. VLIZ Special Publication, 20. Vlaams Instituut voor de Zee (VLIZ): Oostende. X, 129 pp., meer
In: VLIZ Special Publication. Vlaams Instituut voor de Zee (VLIZ): Oostende. ISSN 1377-0950, meer
A comprehensive research project, consisting of model tests and manoeuvring simulation runs, was carried out in 2002-2004 at Flanders Hydraulics Research (Antwerp, Belgium) with the scientific support of Ghent University. The experimental program comprised captive manoeuvring tests with ship models in the towing tank for manoeuvres in shallow water, the bottom of which was covered with mud simulating material. Based on the test results, mathematical models were developed for performing full mission bridge simulations in varying bottom and under keel clearance conditions.
During the simulation runs, the Zeebrugge pilots could experience the behaviour of a 6000 TEU container carrier navigating above and in contact with mud. It was concluded that an increase of the critical density to 1200kg m-³ can be considered, possibly resulting into a reduction of maintenance dredging. On the other hand, sufficient tug capacity has to be available in order to guarantee safe manoeuvres.
The research project was commissioned by T.V. Noordzee & Kust in the frame of the optimisation of the maintenance dredging contract for the harbour of Zeebrugge, financed by the Department Maritime Access of the Ministry of Flanders.
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