Academic Journal
Monitoring of a landmark bridge using SAR interferometry coupled with engineering data and forensics.
| Τίτλος: | Monitoring of a landmark bridge using SAR interferometry coupled with engineering data and forensics. |
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| Συγγραφείς: | Markogiannaki, Olga, Xu, Hang, Chen, Fulong, Mitoulis, Stergios Aristotele, Parcharidis, Issaak |
| Πηγή: | International Journal of Remote Sensing; Jan 2022, Vol. 43 Issue 1, p95-119, 25p |
| Θεματικοί όροι: | Forensic engineering, Interferometry, Bridges, Radarsat satellites, Inspection & review, Requirements engineering, Decision making, Demand forecasting |
| Περίληψη: | Infrastructure monitoring can facilitate the evaluation of capacity and functionality loss and therefore provide valuable data and evidence for reliable, lifetime and automated risk assessments. Terrestrial monitoring systems can provide information about assets and their condition. Yet, they fall short of engineering requirements related to the history of the asset loading, deterioration and potential damage, which is of paramount importance in risk-based decision-making by infrastructure operators. This capability gap can be filled by Persistent Scatterer Interferometry (PSI) Monitoring in conjunction with engineering forensics and judgment. This paper puts forward this hybrid approach to assess the structural condition of a landmark bridge by coupling advanced Differential SAR Tomography (D-TomoSAR) techniques with an adaptive deformation model, environmental measurements and engineering evidence and evaluations. A dataset of 360 Sentinel A &B images covering the period between 10/2014 and 2/2020 and temperature records to account for seasonal deformation were deployed. Displacement products, such as the development of annual displacement and time series were calculated demonstrating a strong correlation with temperature variation and resulting deformations of the asset. The spatiotemporally evolving deformation trends of the bridge superstructure were derived, and vulnerable deck locations were identified on the basis of engineering forensics, judgment and progressive displacements calculated from the D-TomoSAR technique. The vertical displacement profile at the critical deck location was developed reaching a displacement velocity of 1.8 mm/year and potential deterioration issues are manifested as potential causes of the observed geometric alterations. Based on the D-TomoSAR results matched with engineering evidence and on-site visual inspections and judgment, this study contributed to the decision-making process. This research is a pilot showcase of D-TomoSAR for the bridge monitoring, not only providing mm-level quantitative measurements of the bridge in a 6-year observation span using medium resolution Sentinel-1 SAR images alone but also indirectly identifying potential structural defects in the north section of the bridge. This research is a primer example of how we can deploy diverse evidence to facilitate targeted adaptation measures and prioritize restoration strategies to facilitate asset owners in better decision making. [ABSTRACT FROM AUTHOR] |
| Copyright of International Journal of Remote Sensing is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Βάση Δεδομένων: | Complementary Index |
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| Items | – Name: Title Label: Title Group: Ti Data: Monitoring of a landmark bridge using SAR interferometry coupled with engineering data and forensics. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Markogiannaki%2C+Olga%22">Markogiannaki, Olga</searchLink><br /><searchLink fieldCode="AR" term="%22Xu%2C+Hang%22">Xu, Hang</searchLink><br /><searchLink fieldCode="AR" term="%22Chen%2C+Fulong%22">Chen, Fulong</searchLink><br /><searchLink fieldCode="AR" term="%22Mitoulis%2C+Stergios+Aristotele%22">Mitoulis, Stergios Aristotele</searchLink><br /><searchLink fieldCode="AR" term="%22Parcharidis%2C+Issaak%22">Parcharidis, Issaak</searchLink> – Name: TitleSource Label: Source Group: Src Data: International Journal of Remote Sensing; Jan 2022, Vol. 43 Issue 1, p95-119, 25p – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Forensic+engineering%22">Forensic engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Interferometry%22">Interferometry</searchLink><br /><searchLink fieldCode="DE" term="%22Bridges%22">Bridges</searchLink><br /><searchLink fieldCode="DE" term="%22Radarsat+satellites%22">Radarsat satellites</searchLink><br /><searchLink fieldCode="DE" term="%22Inspection+%26+review%22">Inspection & review</searchLink><br /><searchLink fieldCode="DE" term="%22Requirements+engineering%22">Requirements engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Decision+making%22">Decision making</searchLink><br /><searchLink fieldCode="DE" term="%22Demand+forecasting%22">Demand forecasting</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Infrastructure monitoring can facilitate the evaluation of capacity and functionality loss and therefore provide valuable data and evidence for reliable, lifetime and automated risk assessments. Terrestrial monitoring systems can provide information about assets and their condition. Yet, they fall short of engineering requirements related to the history of the asset loading, deterioration and potential damage, which is of paramount importance in risk-based decision-making by infrastructure operators. This capability gap can be filled by Persistent Scatterer Interferometry (PSI) Monitoring in conjunction with engineering forensics and judgment. This paper puts forward this hybrid approach to assess the structural condition of a landmark bridge by coupling advanced Differential SAR Tomography (D-TomoSAR) techniques with an adaptive deformation model, environmental measurements and engineering evidence and evaluations. A dataset of 360 Sentinel A &B images covering the period between 10/2014 and 2/2020 and temperature records to account for seasonal deformation were deployed. Displacement products, such as the development of annual displacement and time series were calculated demonstrating a strong correlation with temperature variation and resulting deformations of the asset. The spatiotemporally evolving deformation trends of the bridge superstructure were derived, and vulnerable deck locations were identified on the basis of engineering forensics, judgment and progressive displacements calculated from the D-TomoSAR technique. The vertical displacement profile at the critical deck location was developed reaching a displacement velocity of 1.8 mm/year and potential deterioration issues are manifested as potential causes of the observed geometric alterations. Based on the D-TomoSAR results matched with engineering evidence and on-site visual inspections and judgment, this study contributed to the decision-making process. This research is a pilot showcase of D-TomoSAR for the bridge monitoring, not only providing mm-level quantitative measurements of the bridge in a 6-year observation span using medium resolution Sentinel-1 SAR images alone but also indirectly identifying potential structural defects in the north section of the bridge. This research is a primer example of how we can deploy diverse evidence to facilitate targeted adaptation measures and prioritize restoration strategies to facilitate asset owners in better decision making. [ABSTRACT FROM AUTHOR] – Name: Abstract Label: Group: Ab Data: <i>Copyright of International Journal of Remote Sensing is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1080/01431161.2021.2003468 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 25 StartPage: 95 Subjects: – SubjectFull: Forensic engineering Type: general – SubjectFull: Interferometry Type: general – SubjectFull: Bridges Type: general – SubjectFull: Radarsat satellites Type: general – SubjectFull: Inspection & review Type: general – SubjectFull: Requirements engineering Type: general – SubjectFull: Decision making Type: general – SubjectFull: Demand forecasting Type: general Titles: – TitleFull: Monitoring of a landmark bridge using SAR interferometry coupled with engineering data and forensics. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Markogiannaki, Olga – PersonEntity: Name: NameFull: Xu, Hang – PersonEntity: Name: NameFull: Chen, Fulong – PersonEntity: Name: NameFull: Mitoulis, Stergios Aristotele – PersonEntity: Name: NameFull: Parcharidis, Issaak IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Text: Jan 2022 Type: published Y: 2022 Identifiers: – Type: issn-print Value: 01431161 Numbering: – Type: volume Value: 43 – Type: issue Value: 1 Titles: – TitleFull: International Journal of Remote Sensing Type: main |
| ResultId | 1 |