지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.70 No.6
- 발행연도
- 2019.1
- 수록면
- 765 - 779 (15page)
이용수
초록· 키워드
오류제보하기
Most of the existing evaluation criteria of vibration serviceability rely on the peak acceleration of the structure rather than that of the people keeping their own body unmoved on the structure who is the real receiver of structural vibrations. In order to accurately assess the vibration serviceability, therefore, a full path assessment approach of vibration serviceability based on vibration source, path and receiver is not only tentatively proposed in this paper, taking the peak acceleration of receiver into account, but also introduce a probability procedure to provide more instructive information instead of a single value. In fact, semi-rigid supported on both sides of the structure is more consistent with the actual situation than simply supported or clamped due to the application of the prefabricated footbridge structures. So, the footbridge is regarded as a beam with semi-rigid supported on both sides in this paper. The differential quadrature-integral quadrature coupled method is not only to handle different type of boundary conditions, but also after being further modified via the introduction of an approximation procedure in this work, the time-varying system problem caused by human-structure interaction can be solved well. The analytical results of numerical simulations demonstrate that the modified differential quadrature-integral quadrature coupled method has higher reliability and accuracy compared with the mode superposition method. What’s more, both of the two different passive control measures, the tuned mass damper and semi-rigid supported, have good performance for reducing vibrations. Most importantly, semi-rigid supported is easier to achieve the objective of reducing vibration compared with tuned mass damper in design stage of structure.
목차
등록된 정보가 없습니다.
참고문헌 (42)
참고문헌 신청
Ehsan Ahmadi / 2017 / An equivalent moving force model for consideration of human-structure interaction / Applied Mathematical Modelling 51:526~545
Al-Askari, D. F. A. / 2015 / Vibration serviceability evaluation of a footbridge using finite elements / J. Sci. Res 4(8):608~611
Charles W. Bert / 1996 / Differential Quadrature Method in Computational Mechanics: A Review / Applied Mechanics Reviews 49(1):1~28
Brownjohn, J. M. W. / 2001 / Effects of human postures on energy dissipation from vibrating floors / Second International Conference on Experimental Mechanics
Elsa Caetano / 2010 / Studies for controlling human-induced vibration of the Pedro e Inês footbridge, Portugal. Part 2: Implementation of tuned mass dampers / Engineering Structures 32(4):1082~1091
Al-Askari, D. F. A. / 2015 / Vibration serviceability evaluation of a footbridge using finite elements / J. Sci. Res 4(8):608~611
Charles W. Bert / 1996 / Differential Quadrature Method in Computational Mechanics: A Review / Applied Mechanics Reviews 49(1):1~28
Brownjohn, J. M. W. / 2001 / Effects of human postures on energy dissipation from vibrating floors / Second International Conference on Experimental Mechanics
Elsa Caetano / 2010 / Studies for controlling human-induced vibration of the Pedro e Inês footbridge, Portugal. Part 2: Implementation of tuned mass dampers / Engineering Structures 32(4):1082~1091
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