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Review

A Review of GPR Application on Transport Infrastructures: Troubleshooting and Best Practices

1
CINTECX, GeoTECH research group, Universidade de Vigo, 36310 Vigo, Spain
2
Department of Strength of Materials and Structural Engineering, Universitat Politècnica de Catalunya, Campus Diagonal Besós, Barcelona East School of Engineering, EEBE, Av. Eduard Maristany, 16, 08019 Barcelona, Spain
3
Department of Transportation, National Laboratory for Civil Engineering—LNEC, 1700-066 Lisbon, Portugal
4
Civil Engineering Department, NOVA School of Science and Technology, 2829-516 Caparica, Portugal
*
Author to whom correspondence should be addressed.
Academic Editor: Roberto Orosei
Remote Sens. 2021, 13(4), 672; https://doi.org/10.3390/rs13040672
Received: 19 January 2021 / Revised: 4 February 2021 / Accepted: 9 February 2021 / Published: 13 February 2021
(This article belongs to the Special Issue Trends in GPR and Other NDTs for Transport Infrastructure Assessment)
The non-destructive testing and diagnosis of transport infrastructures is essential because of the need to protect these facilities for mobility, and for economic and social development. The effective and timely assessment of structural health conditions becomes crucial in order to assure the safety of the transportation system and time saver protocols, as well as to reduce excessive repair and maintenance costs. Ground penetrating radar (GPR) is one of the most recommended non-destructive methods for routine subsurface inspections. This paper focuses on the on-site use of GPR applied to transport infrastructures, namely pavements, railways, retaining walls, bridges and tunnels. The methodologies, advantages and disadvantages, along with up-to-date research results on GPR in infrastructure inspection are presented herein. Hence, through the review of the published literature, the potential of using GPR is demonstrated, while the main limitations of the method are discussed and some practical recommendations are made. View Full-Text
Keywords: ground penetrating radar; inspection; pavements; railways; bridges; tunnels; retaining walls; methodologies; limitations; benefits ground penetrating radar; inspection; pavements; railways; bridges; tunnels; retaining walls; methodologies; limitations; benefits
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MDPI and ACS Style

Solla, M.; Pérez-Gracia, V.; Fontul, S. A Review of GPR Application on Transport Infrastructures: Troubleshooting and Best Practices. Remote Sens. 2021, 13, 672. https://doi.org/10.3390/rs13040672

AMA Style

Solla M, Pérez-Gracia V, Fontul S. A Review of GPR Application on Transport Infrastructures: Troubleshooting and Best Practices. Remote Sensing. 2021; 13(4):672. https://doi.org/10.3390/rs13040672

Chicago/Turabian Style

Solla, Mercedes, Vega Pérez-Gracia, and Simona Fontul. 2021. "A Review of GPR Application on Transport Infrastructures: Troubleshooting and Best Practices" Remote Sensing 13, no. 4: 672. https://doi.org/10.3390/rs13040672

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