Damage Identification for Prestressed Adjacent Box-Beam Bridges
Joint Authors
Walsh, Kenneth K.
Kelly, Brendan T.
Steinberg, Eric P.
Source
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-16, 16 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-09-23
Country of Publication
Egypt
No. of Pages
16
Main Subjects
Abstract EN
Structural health monitoring (SHM) has gained considerable attention as a tool for monitoring the health of civil infrastructure.
For bridge infrastructure, previous methods have focused on the detection of localized damage through modal parameters extracted from the longitudinal direction of the structure.
This paper investigates a new damage detection method based on the change in the first vertical mode extracted from the transverse direction of the bridge.
The mode is determined through application of modal curve fitting to frequency response functions (FRFs) that are formed using vertical response data obtained in the direction perpendicular to the bridge’s longitudinal axis.
Using this method, both local damage and global damage in the bridge reveal themselves as having a localized effect on the bridge response.
Furthermore, damage is revealed in such a way that it enables differentiation of the damage types.
To demonstrate the effectiveness of the method, modal parameters were extracted from acceleration data obtained from a finite element model of a full bridge.
Analysis of the modal parameters showed that the proposed approach could not only detect both local and global bridge damage, but could also differentiate between damage types using only one mode shape.
The proposed method was compared to a previously developed SHM method.
American Psychological Association (APA)
Walsh, Kenneth K.& Kelly, Brendan T.& Steinberg, Eric P.. 2014. Damage Identification for Prestressed Adjacent Box-Beam Bridges. Advances in Civil Engineering،Vol. 2014, no. 2014, pp.1-16.
https://search.emarefa.net/detail/BIM-1015238
Modern Language Association (MLA)
Walsh, Kenneth K.…[et al.]. Damage Identification for Prestressed Adjacent Box-Beam Bridges. Advances in Civil Engineering No. 2014 (2014), pp.1-16.
https://search.emarefa.net/detail/BIM-1015238
American Medical Association (AMA)
Walsh, Kenneth K.& Kelly, Brendan T.& Steinberg, Eric P.. Damage Identification for Prestressed Adjacent Box-Beam Bridges. Advances in Civil Engineering. 2014. Vol. 2014, no. 2014, pp.1-16.
https://search.emarefa.net/detail/BIM-1015238
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1015238