<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The multifractal theory is applied in an analysis of bridge disturbance signals with the aim of investigating their nonlinear characteristics, and then the recognisable fault features are extracted from them. By calculating the box dimension and correlation dimension of the bridge disturbance signal, the dimensional characteristics of the disturbance data are analysed to distinguish the health-state of the bridge. Finally, taking the bridge disturbance data as an example, and by using the multifractal spectrum analysis of the disturbance data, it is concluded that the multifractal method can accurately identify the fault state and realise the bridge health monitoring.</p>
</abstract>

The multifractal theory is applied in an analysis of bridge disturbance signals with the aim of investigating their nonlinear characteristics, and then the recognisable fault features are extracted from them. By calculating the box dimension and correlation dimension of the bridge disturbance signal, the dimensional characteristics of the disturbance data are analysed to distinguish the health-state of the bridge. Finally, taking the bridge disturbance data as an example, and by using the multifractal spectrum analysis of the disturbance data, it is concluded that the multifractal method can accurately identify the fault state and realise the bridge health monitoring.

Health monitoring of Bridges based on multifractal theory

State Key Laboratory of Bridge Engineering Structural Dynamics

Applied Mathematics and Nonlinear Sciences

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"Health monitoring of Bridges based on multifractal theory"}

The multifractal theory is applied in an analysis of bridge disturbance signals with the aim of investigating their nonlinear characteristics, and then the...

Health monitoring of Bridges based on multifractal theory

Published Online: Oct 19, 2021

Page range: 177 - 186

Received: Mar 19, 2021

Accepted: May 29, 2021

DOI: https://doi.org/10.2478/amns.2021.2.00036

Keywords
box dimension, Correlation dimension, Bridge health monitoring, Multifractal spectrum

© 2023 Ling Zhao et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

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Health monitoring of Bridges based on multifractal theory

Published Online: Oct 19, 2021

Page range: 177 - 186

Received: Mar 19, 2021

Accepted: May 29, 2021

DOI: https://doi.org/10.2478/amns.2021.2.00036

Keywordsbox dimension, Correlation dimension, Bridge health monitoring, Multifractal spectrum

© 2023 Ling Zhao et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Fig. 7

Fig. 8

Fig. 9

Keywords
box dimension, Correlation dimension, Bridge health monitoring, Multifractal spectrum