Research project foundation structural health monitoring (FSHM) 

When it comes to offshore foundations, dynamic behaviour, scouring, corrosion, reduction in grout and foundation integrity over time, can be problematic. OWI-lab has a mutual R&D partnership with Belwind to perform 'foundation asset monitoring', also named SHM (Structural Health Monitoring) in civil engineering . The Belwind wind farm is located in the North Sea on the Bligh Bank, 46 km off the Belgian coast and consists of 55 Vestas V90-3MW wind turbines placed on monopile foundations. OWI-Lab has been monitoring one of these turbines since 2011 and theirefore has access to unique datasets and knowledge about structural monitoring. 


The installed foundation monitoring system evaluates several parameters:

  • Loads and displacements in the grouted connection
  • Vibrations levels on tower and foundation in multiple directions
  • Resonance frequencies and damping values of the offshore structure by the use of OMA-techniques
  • Oxygen levels and corrosion rates inside the monopile foundation (in partnership with Zensor)


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