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Evaluation and Stability Analysis of Onshore Wind Turbine Supporting Structures

In: Stability Control and Reliable Performance of Wind Turbines

Author

Listed:
  • Chikako Fujiyama
  • Yasuhiro Koda
  • Noriaki Sentoh

Abstract

This chapter shows research of stability of supporting structure of onshore wind turbine foundations based on field measurements, finite element (FE) analysis and laboratory experiment. In order to investigate the relation of action-response of tower-foundation system, long-term field measurements were carried out for two existing onshore wind turbines with/without piles for its foundations. Then, the models were built up for three-dimensional nonlinear FE analyses. The damage processes of reaching failure were examined by FE models, and limit state of foundations was individually defined by fatigue limit state of concrete. Consequently, the stress-number of cycle (S-N) diagram derived from both experiment and analysis was discussed for the assessment of existing structure.

Suggested Citation

  • Chikako Fujiyama & Yasuhiro Koda & Noriaki Sentoh, 2018. "Evaluation and Stability Analysis of Onshore Wind Turbine Supporting Structures," Chapters, in: Kenneth Eloghene Okedu (ed.), Stability Control and Reliable Performance of Wind Turbines, IntechOpen.
    • Handle: RePEc:ito:pchaps:144054
    DOI: 10.5772/intechopen.75885
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    More about this item

    Keywords

    concrete; foundation; fatigue; anchor bolt; crack;
    All these keywords.

    JEL classification:

    • Q20 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - General
    • Q40 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - General

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