DOI QR코드

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장기계측에 기반한 초고층 RC 건축물 감쇠비와 고유진동수의 응답의존성 분석

Evaluation of Amplitude-Dependent Damping Ratio and Natural Frequency of a Tall RC Building based on Long Term Measurement Data

  • 정희경 (경북대학교 건축토목공학부) ;
  • 김홍진 (경북대학교 건축토목공학부) ;
  • 최선영 (포스코건설 기술연구소)
  • 투고 : 2014.10.20
  • 심사 : 2014.12.29
  • 발행 : 2015.01.30

초록

The amplitude dependence of the natural frequency and damping ratio of tall RC building is investigated based on the long term measurement data. In order to verify the identified dynamic properties, the time domain and frequency domain methods are used and the results are compared. It was found that the natural frequency decreases as the response increases clearly. On the other hand, there is no noticeable response dependancy of damping ratio even though the damping ratio increases slightly as the response increases.

키워드

과제정보

연구 과제 주관 기관 : 국토교통부

참고문헌

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