Tessema, Tesfaye, Gagliardi, V., Bianchini Ciampoli, L. and Tosti, Fabio ORCID: https://orcid.org/0000-0003-0291-9937 (2023) InSAR for dielectric constant estimation of pavements: A feasibility study. In: Earth Resources and Environmental Remote Sensing/GIS Applications XIV, 03-07 Sep 2023, Amsterdam, Netherlands.

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Abstract

Transport infrastructure health monitoring is fundamental to assure the road's integrity and the user's safety. Nowadays, pavement quality is conventionally assessed using different Non-Destructive Testing (NDT) methods. These methodologies are adequate but are limited in terms of spatial and temporal coverage. Depth estimation using InSAR data is not uncommon for application in arid areas, glaciers, and soil moisture studies. These areas are subject to substantial penetration at microwave frequencies. The methods assume the medium as a uniform volume with infinite depth and analyze the volume scattering of the radar wave. Determination of dielectric parameters of pavement layers and material inhomogeneities assessment is essential for pavement health monitoring. Here we examine the capability of InSAR data to estimate dielectric constant values in concrete pavements by interaction with the electromagnetic waves of radar satellite data. TerraSAR-X data are used to explore the dielectric constant estimation capabilities. The existing methods to invert for dielectric constant from the InSAR signal are applied to arid, ice-covered, and forested areas, but not pavements. This attempt will be the first of its kind to explore the large area coverage and with a frequent revisit of SAR satellites as a monitoring tool.

Item Type:	Conference or Workshop Item (Paper)
Identifier:	10.1117/12.2684365
Identifier:	10.1117/12.2684365
Subjects:	Construction and engineering > Civil and environmental engineering
Related URLs:	Publisher
Depositing User:	Marc Forster
Date Deposited:	13 Nov 2024 09:26
Last Modified:	13 Nov 2024 09:26
URI:	https://repository.uwl.ac.uk/id/eprint/12898

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