Remote Structural Health Monitoring of Concrete Bridge Using InSAR: A Case Study

Othmane Lasri, Pier Francesco Giordano, Maria Pina Limongelli

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceedingPeer review

Sammanfattning

Structural Health Monitoring (SHM) provides real-time information about structural damage and its evolution over time, which supports decision-makers in managing structural integrity. However, traditional SHM systems, such as vibration-based systems with accelerometers, require laborious installation and maintenance of instrumentation, including sensors, cables, and acquisition systems directly installed on the monitored structure. Recently, remote sensing through active satellites, such as new Synthetic Aperture Radar (SAR) missions, offers a promising alternative for monitoring infrastructure assets. This paper explores the use of SAR Interferometry (InSAR) processing to monitor the health of bridges. The full interferometry processing chain is based on Sentinel-1 and CosmoSKYMED synthetic aperture radar data and a combination of open-source routines from the Sentinel Application Platform (SNAP) and Stanford Method for Persistent Scatterers (StaMPS). The Permanent Scatterer Interferometry SAR (PS-InSAR) technique is used to derive displacement time histories. The applicability of this technique is evaluated on a concrete bridge located over the Oglio River in Isola Dovarese, Italy, which has GNSS receivers installed. To validate the methodology, PS-InSAR derived time histories are compared with GNSS-derived data, and both techniques are used to quantify bridge displacement rates from October 2020 to August 2022.

Originalspråkengelska
Titel på värdpublikationStructural Health Monitoring 2023
Undertitel på värdpublikationDesigning SHM for Sustainability, Maintainability, and Reliability - Proceedings of the 14th International Workshop on Structural Health Monitoring
RedaktörerSaman Farhangdoust, Alfredo Guemes, Fu-Kuo Chang
FörlagDEStech Publications
Sidor2561-2568
Antal sidor8
ISBN (elektroniskt)9781605956930
DOI
StatusPublished - 2023
Evenemang14th International Workshop on Structural Health Monitoring: Designing SHM for Sustainability, Maintainability, and Reliability, IWSHM 2023 - Stanford, USA
Varaktighet: 2023 sep. 122023 sep. 14

Publikationsserier

NamnStructural Health Monitoring 2023: Designing SHM for Sustainability, Maintainability, and Reliability - Proceedings of the 14th International Workshop on Structural Health Monitoring

Konferens

Konferens14th International Workshop on Structural Health Monitoring: Designing SHM for Sustainability, Maintainability, and Reliability, IWSHM 2023
Land/TerritoriumUSA
OrtStanford
Period2023/09/122023/09/14

Ämnesklassifikation (UKÄ)

  • Inbäddad systemteknik

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