Efficient air-launched ground-penetrating radar inspections in a large-scale road network

Tosti, Fabio, Benedetto, Andrea and Calvi, Alessandro (2014) Efficient air-launched ground-penetrating radar inspections in a large-scale road network. In: 3rd International Conference on Tranportation Infrastructure - Sustainability, Eco-Efficiency and Conservation in Transportation Infrastructure Asset Management, 22-25 Apr 2014, Pisa, Italy.

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Abstract

Nowadays, financial resources for maintenance have certainly decreased in many fields of application due to the Global Economic Crisis. In this context, the need for high performing inspections in pavement engineering has become a priority, and the use of non-destructive techniques has increased. In that respect, ground-penetrating radar (GPR) is proving to be as one of the most promising tools for retrieving both physical and geometrical properties of pavements. In this study, an off-ground GPR system, 1-GHz centre frequency of investigation, was used for surveying a large-scale rural road network. Data processing was aimed to accurately identify the geometry of pavement layer interfaces. Results showed the high effectiveness and efficiency of such GPR system and procedure. The high productivity, approximately 160 km/day, along with the capability to identify mismatches in layers arrangement, even in case of undisclosed defects, demonstrated the importance of such technique in road inspections.

Item Type: Conference or Workshop Item (Paper)
ISBN: 9781138001473
Identifier: 10.1201/b16730-103
Page Range: pp. 703-709
Uncontrolled Keywords: Data processing; Geological surveys; Ground penetrating radar systems; Highway engineering; Nondestructive examination; Pavements
Subjects: Construction and engineering > Built environment
Construction and engineering > Civil and structural engineering
Construction and engineering
Depositing User: Fabio Tosti
Date Deposited: 26 May 2016 23:24
Last Modified: 16 Oct 2017 11:57
URI: http://repository.uwl.ac.uk/id/eprint/2206

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