Structural Health Monitoring of Precast Concrete Box Girders Using Selected Vibration-Based Damage Detection Methods
Precast, prestressed concrete box girders are commonly used as superstructure components for short and medium span bridges. Their configuration and typical side-by-side placement make large portions of these elements inaccessible for visual inspection or the application of nondestructive testing tec...
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| Format: | Article |
| Language: | English |
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Wiley
2010-01-01
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| Series: | Advances in Civil Engineering |
| Online Access: | http://dx.doi.org/10.1155/2010/280685 |
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| author | Zhengjie Zhou Leon D. Wegner Bruce F. Sparling |
| author_facet | Zhengjie Zhou Leon D. Wegner Bruce F. Sparling |
| author_sort | Zhengjie Zhou |
| collection | DOAJ |
| description | Precast, prestressed concrete box girders are commonly used as superstructure components for short and medium span bridges. Their configuration and typical side-by-side placement make large portions of these elements inaccessible for visual inspection or the application of nondestructive testing techniques. This paper demonstrates that vibration-based damage detection (VBDD) is an effective alternative for monitoring their structural health. A box girder removed from a dismantled bridge was used to evaluate the ability of five different VBDD algorithms to detect and localize low levels of spalling damage, with a focus on using a small number of sensors and only the fundamental mode of vibration. All methods were capable of detecting and localizing damage to a region within approximately 1.6 times the longitudinal spacing between as few as six uniformly distributed accelerometers. Strain gauges configured to measure curvature were also effective, but tended to be susceptible to large errors in near support damage cases. Finite element analyses demonstrated that increasing the number of sensor locations leads to a proportional increase in localization accuracy, while the use of additional modes provides little advantage and can sometimes lead to a deterioration in the performance of the VBDD techniques. |
| format | Article |
| id | doaj-art-9004517fc4af4d828a8039cd35f0575d |
| institution | Kabale University |
| issn | 1687-8086 1687-8094 |
| language | English |
| publishDate | 2010-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Civil Engineering |
| spelling | doaj-art-9004517fc4af4d828a8039cd35f0575d2025-02-03T01:32:09ZengWileyAdvances in Civil Engineering1687-80861687-80942010-01-01201010.1155/2010/280685280685Structural Health Monitoring of Precast Concrete Box Girders Using Selected Vibration-Based Damage Detection MethodsZhengjie Zhou0Leon D. Wegner1Bruce F. Sparling2Bridge and Structural Design Unit, Road Service Division, King County Department of Transportation, KSC-TR-0242, 201 South Jackson Street, Seattle, WA 98104-3856, USADepartment of Civil and Geological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK, S7N 5A9, CanadaDepartment of Civil and Geological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK, S7N 5A9, CanadaPrecast, prestressed concrete box girders are commonly used as superstructure components for short and medium span bridges. Their configuration and typical side-by-side placement make large portions of these elements inaccessible for visual inspection or the application of nondestructive testing techniques. This paper demonstrates that vibration-based damage detection (VBDD) is an effective alternative for monitoring their structural health. A box girder removed from a dismantled bridge was used to evaluate the ability of five different VBDD algorithms to detect and localize low levels of spalling damage, with a focus on using a small number of sensors and only the fundamental mode of vibration. All methods were capable of detecting and localizing damage to a region within approximately 1.6 times the longitudinal spacing between as few as six uniformly distributed accelerometers. Strain gauges configured to measure curvature were also effective, but tended to be susceptible to large errors in near support damage cases. Finite element analyses demonstrated that increasing the number of sensor locations leads to a proportional increase in localization accuracy, while the use of additional modes provides little advantage and can sometimes lead to a deterioration in the performance of the VBDD techniques.http://dx.doi.org/10.1155/2010/280685 |
| spellingShingle | Zhengjie Zhou Leon D. Wegner Bruce F. Sparling Structural Health Monitoring of Precast Concrete Box Girders Using Selected Vibration-Based Damage Detection Methods Advances in Civil Engineering |
| title | Structural Health Monitoring of Precast Concrete Box Girders Using Selected Vibration-Based Damage Detection Methods |
| title_full | Structural Health Monitoring of Precast Concrete Box Girders Using Selected Vibration-Based Damage Detection Methods |
| title_fullStr | Structural Health Monitoring of Precast Concrete Box Girders Using Selected Vibration-Based Damage Detection Methods |
| title_full_unstemmed | Structural Health Monitoring of Precast Concrete Box Girders Using Selected Vibration-Based Damage Detection Methods |
| title_short | Structural Health Monitoring of Precast Concrete Box Girders Using Selected Vibration-Based Damage Detection Methods |
| title_sort | structural health monitoring of precast concrete box girders using selected vibration based damage detection methods |
| url | http://dx.doi.org/10.1155/2010/280685 |
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