Novel perspectives in bridges inspection using GPR

Benedetto, Andrea, Manacorda, Guido, Simi, Alessandro and Tosti, Fabio (2012) Novel perspectives in bridges inspection using GPR. Nondestructive Testing and Evaluation, 27 (3). pp. 239-251. ISSN 1058-9759

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Bridge engineers increasingly prefer to use the Ground-Penetrating Radar (GPR) technique. GPR can yield data with very high spatial resolution, the data can be acquired rapidly and even during traffic, causing very low interferences. This paper presents a novel GPR system that is designed and developed for bridge applications. In addition it proposes a new algorithm for cracks tracking in a three-dimensional domain. The effectiveness and accuracy of the procedure have been calibrated and validated on four different bridges. In this paper, three-dimensional visualisations of cracks and two-dimensional tomographies and sections are shown to demonstrate the potentialities of the GPR system associated to the signal-processing algorithm.

Item Type: Article
Uncontrolled Keywords: bridges; ground-penetrating radar; pavement engineering; bar corrosion, cracking
Subjects: Construction and engineering > Built environment
Construction and engineering > Civil and structural engineering
Depositing User: Fabio Tosti
Date Deposited: 25 May 2016 18:54
Last Modified: 16 Oct 2017 11:46

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