Smart Structures and Systems

  • 제14권3호
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  • Pages.307-325
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  • 2014
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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

Fatigue damage monitoring and evolution for basalt fiber reinforced polymer materials

  • Li, Hui (Research Center of Structural Monitoring and Control, School of Civil Engineering, Harbin Institute of Technology) ;
  • Wang, Wentao (Research Center of Structural Monitoring and Control, School of Civil Engineering, Harbin Institute of Technology) ;
  • Zhou, Wensong (Research Center of Structural Monitoring and Control, School of Civil Engineering, Harbin Institute of Technology)
  • 투고 : 2013.01.22
  • 심사 : 2013.07.16
  • 발행 : 2014.09.25
⟨ 이전 논문 다음 논문 ⟩

초록

A newly developed method based on energy is presented to study the damage pattern of FRP material. Basalt fiber reinforced polymer (BFRP) is employed to monitor the damage under fatigue loading. In this study, acoustic emission technique (AE) combined with scanning electronic microscope (SEM) technique is employed to monitor the damage evolution of the BFRP specimen in an approximate continuous scanning way. The AE signals are analyzed based on the wavelet transform, and the analyses are confirmed by SEM images. Several damage patterns of BFRP material, such as matrix cracking, delamination, fiber fracture and their combinations, are identified through the experiment. According to the results, the cumulative energy (obtained from wavelet coefficients) of various damage patterns are closely related to the damage evolution of the BFRP specimens during the entire fatigue tests. It has been found that the proposed technique can effectively distinguish different damage patterns of FRP materials and describe the fatigue damage evolution.

키워드

참고문헌

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  3. A Review of Non-Destructive Damage Detection Methods for Steel Wire Ropes vol.9, pp.13, 2014, https://doi.org/10.3390/app9132771
  4. Enhancing the Punching Load Capacity of Reinforced Concrete Slabs Using an External Epoxy-Steel Wire Mesh Composite vol.7, pp.8, 2014, https://doi.org/10.3390/fib7080068
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