Structural Engineering and Mechanics

  • 제74권1호
  • /
  • Pages.121-128
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  • 2020
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Infill wall effects on the dynamic characteristics of RC frame systems via operational modal analysis

  • Komur, Mehmet A. (Department of Civil Engineering, Aksaray University) ;
  • Kara, Mehmet E. (Department of Civil Engineering, Aksaray University) ;
  • Deneme, Ibrahim O. (Department of Civil Engineering, Aksaray University)
  • 투고 : 2018.07.19
  • 심사 : 2019.11.17
  • 발행 : 2020.04.10
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents an experimental study on the dynamic characteristics of infilled reinforced concrete (RC) frames. A 1/3-scaled, one-bay, three-storey RC frame was produced and tested by using operational modal analysis (OMA). The experiments were performed on five specimens: one reference frame with no infill walls and four frames with infill walls. The RC frame systems included infill walls made of hollow clay brick, which were constructed in four different patterns. The dynamic characteristics of the patterns, including the frequency, mode shapes and damping ratios in the in-plane direction, were obtained by 6 accelerometers. Twenty-minute records under ambient vibration were collected for each model, and the dynamic characteristics were determined using the ambient vibration testing and modal identification software (ARTeMIS). The experimental studies showed that the infill walls significantly affected the frequency value, rigidity and damping ratio of the RC frame system.

키워드

과제정보

연구 과제번호 : Filled wall effect on dynamic characteristics of reinforced frame systems

연구 과제 주관 기관 : University of Aksaray

The authors would like to acknowledge the financial assistance provided by the Institute of Research Management, University of Aksaray, through a research grant entitled "Filled wall effect on dynamic characteristics of reinforced frame systems" (2015-024). The authors would also like to thank all the people who have contributed either directly or indirectly to accomplish this research.

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