지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.37 No.4
- 발행연도
- 2020.1
- 수록면
- 391 - 404 (14page)
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초록· 키워드
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Human-induced vibration could present a serious serviceability problem for large-span and/or lightweight floors using the high-strength material. This paper presents the results of heel-drop, jumping, and walking tests on a large-span composite steel rebar truss-reinforced concrete (CSBTRC) floor. The effects of human activities on the floor vibration behavior were investigated considering the parameters of peak acceleration, root-mean-square acceleration, maximum transient vibration value (MTVV), fundamental frequency, and damping ratio. The measured field test data were validated with the finite element and theoretical analysis results. A comprehensive comparison between the test results and current design codes was carried out. Based on the classical plate theory, a rational and simplified formula for determining the fundamental frequency for the CSBTRC floor is derived. Secondly, appropriate coefficients (βrp) correlating the MTVV with peak acceleration are suggested for heel-drop, jumping, and walking excitations. Lastly, the linear oscillator model (LOM) is adopted to establish the governing equations for the human-structure interaction (HSI). The dynamic characteristics of the LOM (sprung mass, equivalent stiffness, and equivalent damping ratio) are determined by comparing the theoretical and experimental acceleration responses. The HSI effect will increase the acceleration response.
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참고문헌 (36)
참고문헌 신청
Allen, D. E. / 1999 / ATC Design Guide 1: Minimizing Floor Vibration / Applied Technology Council
Allen, D. E. / 1979 / Vibration criteria for long-span concrete floors / Proceedings of the ACI Symposium on Vibrations of Concrete Structures :67~78
James Mark William Brownjohn / 2016 / Footbridge system identification using wireless inertial measurement units for force and response measurements / Journal of Sound and Vibration 384(8):339~355
2008 / BS 6472-1, Guide to evaluation of human exposure to vibration in buildings Part 1: Vibration sources other than blasting / British Standards Institution
Liang Cao / 2018 / Vibration performance of arch prestressed concrete truss girder under impulse excitation / Engineering Structures 165:386~395
Allen, D. E. / 1979 / Vibration criteria for long-span concrete floors / Proceedings of the ACI Symposium on Vibrations of Concrete Structures :67~78
James Mark William Brownjohn / 2016 / Footbridge system identification using wireless inertial measurement units for force and response measurements / Journal of Sound and Vibration 384(8):339~355
2008 / BS 6472-1, Guide to evaluation of human exposure to vibration in buildings Part 1: Vibration sources other than blasting / British Standards Institution
Liang Cao / 2018 / Vibration performance of arch prestressed concrete truss girder under impulse excitation / Engineering Structures 165:386~395
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