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Estimation of Amplitude-Dependent Dynamic Parameters from Ambient Vibration Data
https://orcid.org/http://orcid.org/0000-0002-1257-9748
This paper proposes a method to estimate amplitude-dependent dynamic parameters from ambient vibration data by random decrement technique (RDT). The principle of RDT is explained, and a procedure of applying RDT to evaluate amplitude-dependent dynamic parameters from ambient vibration data is proposed. The proposed procedure is first applied to ambient vibration data of a full-scale one-story steel frame structure, and the analysis procedure is specifically explained. Then, the proposed procedure is applied to ambient vibration data of a 62-story reinforced concrete building. Amplitude-dependent natural frequencies and damping ratios are evaluated for the two structures. The results show tendencies of natural frequencies and damping ratios with respect to vibration amplitude and prove that amplitude-dependent dynamic parameters can be evaluated by the proposed approach.
Estimation of Amplitude-Dependent Dynamic Parameters from Ambient Vibration Data
https://orcid.org/http://orcid.org/0000-0002-1257-9748
This paper proposes a method to estimate amplitude-dependent dynamic parameters from ambient vibration data by random decrement technique (RDT). The principle of RDT is explained, and a procedure of applying RDT to evaluate amplitude-dependent dynamic parameters from ambient vibration data is proposed. The proposed procedure is first applied to ambient vibration data of a full-scale one-story steel frame structure, and the analysis procedure is specifically explained. Then, the proposed procedure is applied to ambient vibration data of a 62-story reinforced concrete building. Amplitude-dependent natural frequencies and damping ratios are evaluated for the two structures. The results show tendencies of natural frequencies and damping ratios with respect to vibration amplitude and prove that amplitude-dependent dynamic parameters can be evaluated by the proposed approach.
Estimation of Amplitude-Dependent Dynamic Parameters from Ambient Vibration Data
https://orcid.org/http://orcid.org/0000-0002-1257-9748
This paper proposes a method to estimate amplitude-dependent dynamic parameters from ambient vibration data by random decrement technique (RDT). The principle of RDT is explained, and a procedure of applying RDT to evaluate amplitude-dependent dynamic parameters from ambient vibration data is proposed. The proposed procedure is first applied to ambient vibration data of a full-scale one-story steel frame structure, and the analysis procedure is specifically explained. Then, the proposed procedure is applied to ambient vibration data of a 62-story reinforced concrete building. Amplitude-dependent natural frequencies and damping ratios are evaluated for the two structures. The results show tendencies of natural frequencies and damping ratios with respect to vibration amplitude and prove that amplitude-dependent dynamic parameters can be evaluated by the proposed approach.
Estimation of Amplitude-Dependent Dynamic Parameters from Ambient Vibration Data
Lecture Notes in Civil Engineering
Tutumluer, Erol (Herausgeber:in) / Chen, Xiaobin (Herausgeber:in) / Xiao, Yuanjie (Herausgeber:in) / Ma, Jun (Autor:in)
Advances in Environmental Vibration and Transportation Geodynamics ; Kapitel: 43 ; 679-689
08.04.2020
11 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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