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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.

Basisinformatie over ‘Open Access to scholarly information'.

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one publication added to basket [124257]

The nautical bottom concept in the harbour of Zeebrugge Delefortrie, G.; Vantorre, M. (2006). The nautical bottom concept in the harbour of Zeebrugge, in: 31st PIANC congress, 14-18 May 2006, Estoril Congress Centre, Portugal: book of papers. pp. [1-10] In: (2006). 31st PIANC congress, 14-18 May 2006, Estoril Congress Centre, Portugal: book of papers. PIANC = AIPCN: Brussel, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 139269 [ download pdf ] Waterbouwkundig Laboratorium: Open Repository 312244 [ download pdf ]
Documenttype: Congresbijdrage

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Trefwoorden

Harbours and waterways > Manoeuvring behaviour > Nautical bottom Nautical bottom Physical modelling Simulations ANE, België, Brugge, Haven van Zeebrugge [Marine Regions] Marien/Kust

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Auteurs		Top
Delefortrie, G., meer Vantorre, M., meer

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Abstract

In order to keep navigation safe, ships need a minimum under keel clearance; therefore, an unambiguous definition and a reliable survey technique for the depth of navigation areas are required. However, in harbours and access channels covered with a soft mud layer the bottom is hard to define, while the common measuring techniques such as echo-sounding do not lead to satisfactory results. Therefore the nautical bottom concept was introduced by PIANC (1997) as "the level where physical characteristics of the bottom reach a critical limit beyond which contact with a ship’s keel causes either damage or unacceptable effects on controllability and manoeuvrability". An overview is given of an experimental program that had been setup to assess the controllability of ships in muddy areas. Based on the results of this research project, a revision of the definition of the nautical bottom in the harbour of Zeebrugge was suggested.

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