Perspectives on the Structural Health Monitoring of Bridges by Synthetic Aperture Radar
Large infrastructures need continuous maintenance because of materials degradation due to atmospheric agents and their persistent use. This problem makes it imperative to carry out persistent monitoring of infrastructure health conditions in order to guarantee maximum safety at all times. The main i...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-11-01
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| Series: | Remote Sensing |
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| Online Access: | https://www.mdpi.com/2072-4292/12/23/3852 |
| _version_ | 1797546900815085568 |
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| author | Filippo Biondi Pia Addabbo Silvia Liberata Ullo Carmine Clemente Danilo Orlando |
| author_facet | Filippo Biondi Pia Addabbo Silvia Liberata Ullo Carmine Clemente Danilo Orlando |
| author_sort | Filippo Biondi |
| collection | DOAJ |
| description | Large infrastructures need continuous maintenance because of materials degradation due to atmospheric agents and their persistent use. This problem makes it imperative to carry out persistent monitoring of infrastructure health conditions in order to guarantee maximum safety at all times. The main issue of early warning infrastructure fault detection is that expensive in-situ distributed monitoring sensor networks have to be installed. On the contrary, the use of satellite data has made it possible to use immediate and low-cost techniques in recent years. In this regard, the potential of spaceborne Synthetic Aperture Radar for the monitoring of critical infrastructures is demonstrated in geographically extended areas, even in the presence of clouds, and in really tough weather. A complete procedure for damage early-warning detection is designed, by using micro-motion (m-m) estimation of critical sites, based on modal proprieties analysis. Particularly, m-m is processed to extract modal features such as natural frequencies and mode shapes generated by vibrations of large infrastructures. Several study cases are here considered and the “Morandi” Bridge (Polcevera Viaduct) in Genoa (Italy) is analyzed in depth highlighting abnormal vibration modes during the period before the bridge collapsed. |
| first_indexed | 2024-03-10T14:35:53Z |
| format | Article |
| id | doaj.art-663c57f393b149ffbc6b360394844a03 |
| institution | Directory Open Access Journal |
| issn | 2072-4292 |
| language | English |
| last_indexed | 2024-03-10T14:35:53Z |
| publishDate | 2020-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Remote Sensing |
| spelling | doaj.art-663c57f393b149ffbc6b360394844a032023-11-20T22:09:42ZengMDPI AGRemote Sensing2072-42922020-11-011223385210.3390/rs12233852Perspectives on the Structural Health Monitoring of Bridges by Synthetic Aperture RadarFilippo Biondi0Pia Addabbo1Silvia Liberata Ullo2Carmine Clemente3Danilo Orlando4Engineering Department, University of L’Aquila Piazzale Ernesto Pontieri, Monteluco, Poggio di Roio, 06073 L’Aquila, ItalyScience and Technology for Transportations Faculty, Università degli Studi “Giustino Fortunato”, Viale Raffaele Delcogliano, 12, 82100 Benevento, ItalyEngineering Department, University of Sannio, Università Degli Studi del Sannio, 82100 Benevento, ItalyCentre for Signal and Image Processing, Department of Electronic and Electrical Engineering, University of Strathclyde, Glasgow G1 1XW, UKUniversità degli Studi Niccolò Cusano, via Don Carlo Gnocchi, 3, 00166 Roma, ItalyLarge infrastructures need continuous maintenance because of materials degradation due to atmospheric agents and their persistent use. This problem makes it imperative to carry out persistent monitoring of infrastructure health conditions in order to guarantee maximum safety at all times. The main issue of early warning infrastructure fault detection is that expensive in-situ distributed monitoring sensor networks have to be installed. On the contrary, the use of satellite data has made it possible to use immediate and low-cost techniques in recent years. In this regard, the potential of spaceborne Synthetic Aperture Radar for the monitoring of critical infrastructures is demonstrated in geographically extended areas, even in the presence of clouds, and in really tough weather. A complete procedure for damage early-warning detection is designed, by using micro-motion (m-m) estimation of critical sites, based on modal proprieties analysis. Particularly, m-m is processed to extract modal features such as natural frequencies and mode shapes generated by vibrations of large infrastructures. Several study cases are here considered and the “Morandi” Bridge (Polcevera Viaduct) in Genoa (Italy) is analyzed in depth highlighting abnormal vibration modes during the period before the bridge collapsed.https://www.mdpi.com/2072-4292/12/23/3852Synthetic Aperture Radar (SAR)SAR micro-motion (m-m)structural health monitoring (SHM)large infrastructuresbridgesvibrations |
| spellingShingle | Filippo Biondi Pia Addabbo Silvia Liberata Ullo Carmine Clemente Danilo Orlando Perspectives on the Structural Health Monitoring of Bridges by Synthetic Aperture Radar Remote Sensing Synthetic Aperture Radar (SAR) SAR micro-motion (m-m) structural health monitoring (SHM) large infrastructures bridges vibrations |
| title | Perspectives on the Structural Health Monitoring of Bridges by Synthetic Aperture Radar |
| title_full | Perspectives on the Structural Health Monitoring of Bridges by Synthetic Aperture Radar |
| title_fullStr | Perspectives on the Structural Health Monitoring of Bridges by Synthetic Aperture Radar |
| title_full_unstemmed | Perspectives on the Structural Health Monitoring of Bridges by Synthetic Aperture Radar |
| title_short | Perspectives on the Structural Health Monitoring of Bridges by Synthetic Aperture Radar |
| title_sort | perspectives on the structural health monitoring of bridges by synthetic aperture radar |
| topic | Synthetic Aperture Radar (SAR) SAR micro-motion (m-m) structural health monitoring (SHM) large infrastructures bridges vibrations |
| url | https://www.mdpi.com/2072-4292/12/23/3852 |
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