In-situ NDT testing procedure as an integral part of failure analysis of historical masonry arch bridges

Bergamo, Otello; Campione, Giuseppe; Donadello, Stefano; Russo, Gianpiero

doi:10.1016/j.engfailanal.2015.07.019

Cited by 45 publications

(17 citation statements)

References 18 publications

(17 reference statements)

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“…There are different studies combining GPR with structural assessment on masonry arch bridges. The knowledge of the internal geometry and material characterization of the bridge allows engineers to perform more accurate numerical simulations and detailed assessment of the bridge's structural load capacity and safety [136,139,140,142,143,[145][146][147][148][149][150][151]. Figure 9 presents some GPR data obtained in three different masonry arch bridges, which demonstrate the feasibility of the technique for the documentation of previously unknown information from the interior of the structure.…”

Section: Stone Masonry Arch Bridgesmentioning

confidence: 99%

“…Alani et al [132], Fauchard et al [135], Pérez-Gracia et al [140], Solla et al [128][129][130][131]137,144], Lubowiecka et al [142] and Arêde et al [145] employed a combination of low and medium (500-600 MHz) center frequency antennas to evaluate the stone masonry health assessment. Additionally, higher frequencies were used in the 800 MHz to 2 GHz frequency range to estimate the thickness of masonry walls and arches [124,132,[134][135][136]138,140,141,143].…”

Section: Stone Masonry Arch Bridgesmentioning

confidence: 99%

“…Hence, the complex external geometry (metric information) of the structure is provided through geomatics-terrestrial laser scanning (TLS) or photogrammetry-while the GPR gives information of its internal composition [320]. More exhaustive and robust modelling integrates GPR and complementary NDT, such as vibrant ambient noise [136,140,141,148,151], sonic testing [141,148,151], impact-echo tests [141,151] and thermography [136].…”

Section: Stone Masonry Arch Bridgesmentioning

confidence: 99%

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

2021

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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.

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Section: Stone Masonry Arch Bridgesmentioning

confidence: 99%

Section: Stone Masonry Arch Bridgesmentioning

confidence: 99%

Section: Stone Masonry Arch Bridgesmentioning

confidence: 99%

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

2021

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“…Bergamo et al [96] presents an application of several NDT and minor destructive techniques to the study of arch bridged in use in Italy. They concluded that georadar is useful to investigate this type of structures; vibrational analysis, flat-jack and penetration tests are useful to investigate the causes of damage and to calibrate the finite element models of the bridges.…”

Section: Combination Of Several Ndtmentioning

confidence: 99%

Non-Destructive Techniques Applied to Monumental Stone Conservation

Menéndez¹

2016

Non-Destructive Testing

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Non-destructive techniques have always been used in the study of built cultural heritage because of the high cultural value of the concerned objects and the need to preserve them as intact as possible. In this chapter, different non-destructive techniques applied to the conservation of historical building are presented. The selected techniques concern the measurement of some physical properties of the building materials measured at the surface: water absorption, permeability, water content, cohesion, hardness and so on; the actual conditions of the building: stress state, deformation, crack growth and so on; and in-depth physical properties: mechanical properties, inner structure of walls, damp location and salt content. Some of these techniques are used for inspection of the building at a given time, whereas others can be applied for long periods of time to investigate the evolution of the building or of one of its parts (e.g., crack propagation) with time. After presenting the physical background of each method, the main objective of this review is to focus on the applications, especially to discuss which information can be supplied and to present published results in each case. Some techniques are very simple and require very inexpensive equipment but others, which are mainly adaptations of field geophysical techniques, use more sophisticated technology and require post-acquisition treatments based on more complex physical principles. Finally, some examples of combinations of different techniques are presented because a unique method cannot provide all the information needed to understand the weathering processes taking place in a building. The final goal of the studies is to contribute to the preservation of the cultural heritage. The choice of the conservation strategies and methods should be based on a deep knowledge of the building, and nondestructive testing is usually the only way to get it.

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“…Improvements in parameters of modern measuring infrared equipment (resolution and sensitivity) can improve the technical condition assessment of selected bridge elements. An investigation procedure to study masonry arch bridges, including two in-situ NDT methods and numerical analysis, is presented in [1]. Advanced experiments in detection of through-deck type fatigue cracks in a steel deck, using lock-in thermography, under point load and traveling wheel load is shown in [4].…”

Section: Introductionmentioning

confidence: 99%

Applicability analysis of active IR thermography and selected signal processing methods for technical conditions assessment of bridge elements

Różański¹,

Ziopaja²

2016

Proceedings of the 2016 International Conference on Quantitative InfraRed Thermography

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Standard procedures for carrying out the inspection of the bridge, or the assessment of its technical condition and suitability for use, rely on visual assessment made by the inspector and are in a certain part subjective. The aim of the article is to analyze the applicability of IR as a tool to support the inspections of the structure and equipment elements of bridges. We are looking for the relationship between temperature distribution on an element surface (registered by an infrared camera) and hidden defects, which may be associated with e.g. corrosion, fatigue, stress concentration in steel structures or moisture, discontinuity or delaminations in concrete structures. Due to low sensitivity of the temperature field on small disturbances generated by subsurface damage, the improvement of the efficiency of the method is sought in additional mathematical processing of the signal, for example using discrete or continues twodimensional wavelet transformation.

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In-situ NDT testing procedure as an integral part of failure analysis of historical masonry arch bridges

Cited by 45 publications

References 18 publications

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

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

Non-Destructive Techniques Applied to Monumental Stone Conservation

Applicability analysis of active IR thermography and selected signal processing methods for technical conditions assessment of bridge elements

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