Use of Orbital Synthetic Aperture Radar Data in Monitoring Geotechnical and Transportation Infrastructure Assets
Publication: Geo-Congress 2024
ABSTRACT
Persistent long-term monitoring of civil infrastructure such as pavements, highway embankments, and earth retaining systems is of significant interest to asset owners and stakeholders. The use of orbital synthetic aperture radar (SAR), a remote sensing technique, to assess the condition and performance of such assets has been attracting major interest from transportation agencies over the last decade. Currently, operational orbital SAR remote sensing systems have a high spatial and temporal resolution and interferometric capabilities that facilitate spatiotemporal monitoring of asset conditions along with centimeter-level deformation monitoring. This paper aims to provide a review of the use of SAR and interferometric SAR (InSAR) data in monitoring transportation/geotechnical assets. The review also sheds light on the recent explosion of the commercial SAR sector and its potential contribution to near real-time monitoring transportation assets in the near future. The basics of SAR and InSAR data and their relevance in assessing the condition of embankment slopes including a case study in Texas are presented here, along with the challenges and limitations of this technology specific to civil infrastructure. This study would benefit transportation/geotechnical academics and practitioners in understanding the advantages of using these novel remote sensing techniques as a reliable data source for asset management.
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Information & Authors
Information
Published In
Geo-Congress 2024
Pages: 513 - 522
History
Published online: Feb 22, 2024
ASCE Technical Topics:
- Aerospace engineering
- Asset management
- Astronomy
- Business management
- Case studies
- Engineering fundamentals
- Equipment and machinery
- Financial management
- Geotechnical data
- Geotechnical engineering
- Geotechnical investigation
- Infrastructure
- Measurement (by type)
- Methodology (by type)
- Orbits
- Practice and Profession
- Radar
- Research methods (by type)
- Sensors and sensing
Authors
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