Book chapter
Modal Analysis as a Bridge Health Monitoring Tool
Advanced Technology in Structural Engineering
2000
Abstract
An extensive study was carried out for evaluation of different experimental and analytical techniques for damage identification of civil constructed facilities. A three-span steel-stringer bridge was subjected to a regimen of deliberately induced damage to simulate many of the common deterioration and damage states that may affect these bridges. The bridge was extensively tested between April and December 1996. A primary objective of the study was to obtain reliable results reflecting the dynamic properties and responses of the bridge. In this context, improved testing procedures and parameter estimation methods were established such that the civil infrastructure can reliably be tested and the modal data can be post-processed and confidently interpreted. A number of different indices were employed for a comparative study on damage detection. A damage indicator (Bridge Girder Condition Indicator) based on the deflections computed using modal flexibility yielded very promising results for locating damage and quantifying damaged response for certain loading patterns. This offered Bridge Engineers a conceptual index for understanding damage and its significance. In this paper, the knowledge gained as a result of this study will be summarized.
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70 Record Views
3 citations in Scopus
Details
- Title
- Modal Analysis as a Bridge Health Monitoring Tool
- Creators
- F. Necati CatbasA. Emin Aktan
- Publication Details
- Advanced Technology in Structural Engineering
- Resource Type
- Book chapter
- Language
- English
- Academic Unit
- [Retired Faculty]
- Scopus ID
- 2-s2.0-74949140442
- Other Identifier
- 991019173901804721