Smart Structures and Systems

  • 제20권2호
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  • Pages.181-195
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  • 2017
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  • 1738-1584(pISSN)
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  • 1738-1991(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Quantitative damage identification in tendon anchorage via PZT interface-based impedance monitoring technique

  • Huynh, Thanh-Canh (Department of Ocean Engineering, Pukyong National University) ;
  • Kim, Jeong-Tae (Department of Ocean Engineering, Pukyong National University)
  • 투고 : 2017.01.08
  • 심사 : 2017.04.08
  • 발행 : 2017.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this study, the severity of damage in tendon anchorage caused by the loss of tendon forces is quantitatively identified by using the PZT interface-based impedance monitoring technique. Firstly, a 2-DOF impedance model is newly designed to represent coupled dynamic responses of PZT interface-host structure. Secondly, the 2-DOF impedance model is adopted for the tendon anchorage system. A prototype of PZT interface is designed for the impedance monitoring. Then impedance signatures are experimentally measured from a laboratory-scale tendon anchorage structure with various tendon forces. Finally, damage severities of the tendon anchorage induced by the variation of tendon forces are quantitatively identified from the phase-by-phase model updating process, from which the change in impedance signatures is correlated to the change in structural properties.

키워드

과제정보

연구 과제 주관 기관 : National Research Foundation of Korea (NRF)

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피인용 문헌

  1. Quantification of temperature effect on impedance monitoring via PZT interface for prestressed tendon anchorage vol.26, pp.12, 2017, https://doi.org/10.1088/1361-665x/aa931b
  2. Deep learning-based functional assessment of piezoelectric-based smart interface under various degradations vol.28, pp.1, 2021, https://doi.org/10.12989/sss.2021.28.1.069