Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Modal identification of structures from ambient vibration, free vibration, and seismic response data via a subspace approach
10.1002/eqe.98.abs
This work presents a unified procedure for determining the natural frequencies, modal damping ratios and modal shapes of a structure from its ambient vibration, free vibration and earthquake response data. To evaluate the coefficient matrices of a state‐space model, the proposed procedure applies a subspace approach cooperating with an instrumental variable concept. The dynamic characteristics of a structure are determined from the coefficient matrices. The feasibility of the procedure is demonstrated through processing an in situ ambient vibration measurement of a five‐storey steel frame, an impulse response measurement of a three‐span continuous bridge, and simulated earthquake responses of five‐storey steel frames from shaking table tests. The excellent agreement of the results obtained herein with those published previously confirms the feasibility of the present procedure. Copyright © 2001 John Wiley & Sons, Ltd.
Modal identification of structures from ambient vibration, free vibration, and seismic response data via a subspace approach
10.1002/eqe.98.abs
This work presents a unified procedure for determining the natural frequencies, modal damping ratios and modal shapes of a structure from its ambient vibration, free vibration and earthquake response data. To evaluate the coefficient matrices of a state‐space model, the proposed procedure applies a subspace approach cooperating with an instrumental variable concept. The dynamic characteristics of a structure are determined from the coefficient matrices. The feasibility of the procedure is demonstrated through processing an in situ ambient vibration measurement of a five‐storey steel frame, an impulse response measurement of a three‐span continuous bridge, and simulated earthquake responses of five‐storey steel frames from shaking table tests. The excellent agreement of the results obtained herein with those published previously confirms the feasibility of the present procedure. Copyright © 2001 John Wiley & Sons, Ltd.
Modal identification of structures from ambient vibration, free vibration, and seismic response data via a subspace approach
Huang, C. S. (Autor:in) / Lin, H. L. (Autor:in)
Earthquake Engineering & Structural Dynamics ; 30 ; 1857-1878
01.12.2001
22 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Bridge modal identification from ambient vibration measurements
| Tema Archiv | 2001
A Novel Approach for Modal Identification from Ambient Vibration
| British Library Conference Proceedings | 2008
| British Library Conference Proceedings | 2012