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Title:	Flanged foundation connection of the Offshore Wind Farm Amrumbank West - Concept, approval, design, tests and installation
Abstract:	Monopile (MP) foundations are the preferred foundation concept for offshore wind turbine generators (WTG) with soil conditions suitable for driving. Transition Pieces (TP’s) are required for the connection of the driven MP to the tower of the wind turbine. The most commonly used connection between the MP and the TP is grouting of the annulus between MP and TP with fine grained high durability concrete, so called grouted joint. In the Amrumbank wind farm project a flanged connection is used. In this paper the concept of the flanged joint, main aspects of approval, design, procedure tests, manufacturing, prototype assembly and installation are described. Fundamentflanschverbindung der Offshore Wind Farm Amrumbank West - Konzept, Genehmigung, Design, Tests und Montage. Die Gründung mit Monopiles (MP) ist bei geeigneten Baugrundbedingungen häufig das bevorzugte Konzept für die Gründung von Offshore Windenergieanlagen (WEA). Transition Pieces (TP, Übergangsstücke) werden zur Verbindung des gerammten MP zum Turm der WEA benötigt. Die herkömmliche Verbindung zwischen MP und TP ist der Verguss mit Feinkornbeton. Für das Amrumbank-Projekt kommt eine Ringflanschverbindung als MP-TP-Verbindung zur Ausführung. Das Konzept der Flanschverbindung, wesentliche Gesichtspunkte zur Genehmigung, Design, Verfahrenstests, Fertigung, Prototype-Montage und Installation werden im folgenden Beitrag beschrieben.
Source:	Stahlbau 83 (2014), No. 8
Page/s:	522-528
Language of Publication:	English

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