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Use of satellite data for the assessment of critical infrastructure – Giorgia Giardina
September 4 @ 11:00 am - 12:00 pm
Abstract: Ageing of infrastructure assets, their vulnerability to anthropogenic and natural hazards and the risks induced by the interaction between new underground infrastructure and the built environment are major challenges in the civil engineering field. The development of robust structural models to assess the building and infrastructure response to multiple hazards needs to be supported by validation through high quality field data.
While traditional monitoring requires in-situ measurements and trigger levels based on preliminary evaluation of vulnerable structures, very recent advances in Interferometric Synthetic Aperture Radar (InSAR) techniques enable remote monitoring over extensive areas, providing rapid and dense measurements with millimetre accuracy.
This talk will address the potential of InSAR monitoring data for the assessment of infrastructure deformations. Two case studies will be presented: the damage assessment of buildings adjacent to the Crossrail tunnels in London and the pre-collapse monitoring of the Polcevera viaduct in Genoa.
Giorgia Giardina received the PhD degree in structural mechanics from the Delft University of Technology. She was a Research Associate at the University of Cambridge and a Junior Research Fellow at the Wolfson College, Cambridge. She is now an Assistant Professor in Civil Engineering at the University of Bath, and has been a Visiting Professor at the NASA Jet Propulsion Laboratory. Her research interests include risk and damage assessment of structures, remote sensing, soil-structure interaction, building and infrastructure monitoring, urban resilience, seismic vulnerability and retrofitting.