Smart Structures and Systems

  • 제20권3호
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  • Pages.343-350
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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

Strain monitoring of reinforced concrete with OTDR-based FBG interrogation technique

  • Dyshlyuk, Anton V. (Institute of Automation and Control Processes FEB RAS) ;
  • Makarova, Natalia V. (Institute of Automation and Control Processes FEB RAS) ;
  • Vitrik, Oleg B. (Institute of Automation and Control Processes FEB RAS) ;
  • Kulchin, Yuri N. (Institute of Automation and Control Processes FEB RAS) ;
  • Babin, Sergey A. (Institute of Automation and Electrometry SB RAS)
  • 투고 : 2016.10.25
  • 심사 : 2017.06.28
  • 발행 : 2017.09.25
⟨ 이전 논문 다음 논문 ⟩

초록

An experimental study is presented of the application of fiber Bragg grating (FBG) interrogation method based on optical time-domain reflectometery (OTDR) to monitoring strain in bent reinforced concrete beams. The results obtained with the OTDR-based method are shown to agree well with the direct spectral measurements. Strain sensitivity, resolution and measurement range amounted to $0.0028dB/{\mu}strain$; $30{\mu}strain$; $4000{\mu}strain$, correspondingly. Significant differences are observed in surface and inner deformations of the test beams which can be attributed to different mechanical properties of concrete and steel reinforcement. The prospects of using OTDR-based FBG interrogation technique in real-life applications are discussed.

키워드

과제정보

연구 과제 주관 기관 : RFBR, FASO of Russia

참고문헌

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피인용 문헌

  1. Permanent Deformation and Temperature Monitoring of Subgrades Using Fiber Bragg Grating Sensing Technology vol.2021, pp.None, 2021, https://doi.org/10.1155/2021/8824058