For offshore wind turbines (OWTs) the design of connections of parts of the support structure is an essential and limiting topic. Within this paper some specific issues of grouted connections between tubular structural members are described with a focus on the peculiarities of offshore wind turbines in contrast to 'conventional' offshore support structures and monopile foundations especially. Intermediate results of the ongoing research project 'GROW- Grouted Structures for Offshore Wind turbines' are presented. Within the project the focus lies on the execution of four large-scale bending tests of grouted connections with different grout materials and reduced overlap lengths compared to the current state-of-the-art. The tests will result in detailed information about the bearing capacity of grouted connections against extreme as well as fatigue loads. The results of this large scale model tests will be judged in combination with Finite Element Analyses and material tests on small scale specimens together with existing knowledge about the grout material. It is expected that it will be possible to derive more accurate design approaches for the calculations of grouted connections. The interpretation of the first large scale tests are expected to be available during summer 2008.


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    Titel :

    Grouted connections for offshore wind turbines


    Weitere Titelangaben:

    Vergossene Verbindungen für Offshore-Windturbinen


    Beteiligte:


    Erscheinungsdatum :

    2008


    Format / Umfang :

    6 Seiten, 9 Bilder, 14 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Datenträger


    Sprache :

    Englisch




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