On the estimation of bridge mode shapes from drive-by measurements

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Title: On the estimation of bridge mode shapes from drive-by measurements
Authors: Malekjafarian, Abdollah
O'Brien, Eugene J.
Permanent link: http://hdl.handle.net/10197/8783
Date: 17-Jun-2017
Abstract: This paper summarizes the latest approaches proposed on indirect bridge monitoring and provides recommendations for future development. The possibility of the estimation of bridge mode shapes from indirect measurements, is investigated. The Hilbert transform is applied to the responses measured from two following axles to extract the amplitudes of the signals. The global bridge mode shapes are constructed by applying a rescaling process to the local mode shapes obtained from the amplitudes. The performance of the proposed method is demonstrated using a numerical case study.
Funding Details: Science Foundation Ireland
Type of material: Conference Publication
Keywords: Bridge;Mode shape;Indirect methods;Drive-by;Vehicle bridge interaction
Language: en
Status of Item: Peer reviewed
Conference Details: 6th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Rhodes Island, Greece, June, 2017
Appears in Collections:Civil Engineering Research Collection

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