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Experimental Study on Behavior of Bench-Scale Steel Structure Retrofitted with CFRP Composites under Ambient Vibration

Author

Listed:
  • Sertaç Tuhta

    (Civil Engineering Department, Ondokuz Mayis University, Samsun, Turkey)

  • Obaidullah Abrar

    (Civil Engineering Department, Ondokuz Mayis University, Samsun, Turkey)

  • Furkan Günday

    (Civil Engineering Department, Ondokuz Mayis University, Samsun, Turkey)

Abstract

Usage of FRP composites for the retrofitting purpose of the structures against the harmful effect of dynamic loads are gaining popularity, it is used in a wide variety of disciplines including civil engineering. Thus, there is a great need to study the behavior of FRP composites for strengthening purposes of structures using empirical methods. In this study, a bench-scale steel structure model was strengthened with CFRP composite and tested using operational modal analysis. To conduct operational modal analysis a bench-scale earthquake simulator and ambient vibration emulator were used. Same steel structure model was tested without strengthening procedure. Obtained dynamic responses (maximum-minimum displacements and accelerations before and after application of CFRP) of steel structure model have compared to each other. This study shows that floor displacements of the model have been decreased along the height of the structure up to 41.43 %. Therefore, the results of the experiment confirm the effectiveness CFRP composites for the strengthening of steel structures.

Suggested Citation

  • Sertaç Tuhta & Obaidullah Abrar & Furkan Günday, 2019. "Experimental Study on Behavior of Bench-Scale Steel Structure Retrofitted with CFRP Composites under Ambient Vibration," European Journal of Engineering and Technology Research, European Open Science, vol. 4(5), pages 109-114, April.
    • Handle: RePEc:epw:ejeng0:v:4:y:2019:i:5:id:61335
    DOI: 10.24018/ejeng.2019.4.5.1335
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