Wind turbine foundation deburial sensors based on induction-heated ceramic patches

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Abstract

The deburial and scouring of concrete wind turbine and bridge foundations presents a risk to structural stability and safety. In this work, we present a novel, ceramic temperature-sensing patch which can detect whether sections of a foundation are buried or exposed to air. The sensor patches, applied to concrete specimens, were fabricated by loading a geopolymer with 0 - 60 wt% ground magnetite. The magnetite content allowed the patches to be heated using an induction coil, while temperature profiles were monitored via changes in patch electrical impedance. Sensor patches were left uncoated, or were coated in surface-water, soil and sand. Each material provided a unique thermal signature which, with simple signal processing, could be used to reliably detect whether the patch was buried.
Original languageEnglish
Title of host publicationProceedings of SMAR 2015 the 3rd Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures
Subtitle of host publication[7-9 September 2015, Antalya TR]
EditorsAlper Ilki, Masoud Motavalli, Pinar Inci, Michèle Köhli
Place of PublicationAntalya
Number of pages8
Publication statusPublished - 7 Sep 2015
EventThe Third Conference on Smart Monitoring, Assessment and Rehabilitation of Structures - Ramada Plaza , Antalya, Turkey
Duration: 7 Sep 20159 Sep 2015
http://www.smar2015.org/

Conference

ConferenceThe Third Conference on Smart Monitoring, Assessment and Rehabilitation of Structures
Abbreviated titleSMAR 2015
CountryTurkey
CityAntalya
Period7/09/159/09/15
Internet address

Keywords

  • structural stability
  • deburial detection
  • concrete
  • wind turbine foundation
  • geopolymer binders
  • geopolymer sensor patches

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  • Cite this

    Perry, M., Saafi, M., Fusiek, G., & Niewczas, P. (2015). Wind turbine foundation deburial sensors based on induction-heated ceramic patches. In A. Ilki, M. Motavalli, P. Inci, & M. Köhli (Eds.), Proceedings of SMAR 2015 the 3rd Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures: [7-9 September 2015, Antalya TR]