An integrated investigative approach in health monitoring of masonry arch bridges using GPR and InSAR technologies

Alani, Amir, Tosti, Fabio ORCID: https://orcid.org/0000-0003-0291-9937, Bianchini Ciampoli, Luca, Gagliardi, Valerio and Bendetto, Andrea (2020) An integrated investigative approach in health monitoring of masonry arch bridges using GPR and InSAR technologies. NDT & E International. ISSN 0963-8695

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Abstract

This paper provides an overview of the existing health monitoring and assessment methods for masonry arch bridges. In addition, a novel “integrated” holistic non-destructive approach for structural monitoring of bridges using ground-based non-destructive testing (NDT) and the satellite remote sensing techniques is presented. The first part of the paper reports a review of masonry arch bridges and the main issues in terms of structural behaviour and functionality as well as the main assessment methods to identify structural integrity-related issues. A new surveying methodology is proposed based on the integration of multi-source, multi-scale and multi-temporal information collected using the Ground Penetrating Radar (GPR – 200, 600 and 2000 MHz central-frequency antennas) and the Interferometric Synthetic Aperture Radar (InSAR – C-band SAR sensors) techniques. A case study (the “Old Bridge” at Aylesford, Kent, UK – a 13th century bridge) is presented demonstrating the effectiveness of the proposed method in the assessment of masonry arch bridges. GPR has proven essential at providing structural detailing in terms of subsurface geometry of the superstructure as well as the exact positioning of the structural ties. InSAR has identified measures of structural displacements caused by the seasonal variation of the water level in the river and the river bed soil expansions. The above process forms the basis for the “integrated” holistic structural health monitoring approach proposed by this paper.

Item Type: Article
Identifier: 10.1016/j.ndteint.2020.102288
Keywords: masonry arch bridges, “integrated” holistic structural health monitoring approach; non-destructive testing (NDT) assessment, Ground Penetrating Radar (GPR); Interferometric Synthetic Aperture Radar (InSAR); Remote Sensing monitoring
Subjects: Construction and engineering > Civil and environmental engineering
Construction and engineering > Digital signal processing
Construction and engineering > Electrical and electronic engineering
Construction and engineering > Civil and structural engineering
Construction and engineering
Related URLs:
Depositing User: Fabio Tosti
Date Deposited: 13 May 2020 18:28
Last Modified: 06 Feb 2024 16:02
URI: https://repository.uwl.ac.uk/id/eprint/6942

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