Use of infrared thermography for assessing HMA paving and compaction

Plati, Christina; Georgiou, Panos; Loizos, Andreas

doi:10.1016/j.trc.2014.05.013

Cited by 21 publications

(10 citation statements)

References 15 publications

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“…Nevertheless, the findings provide encouragement for the application of GPR, alongside other survey techniques, e.g. laser scanning, infrared thermography (Plati et al, 2014;Li et al, 2018;Li et al, 2019), on a robotic cart that could be deployed overnight on cordoned of lengths of road as part of a minimally-disruptive programme of routine surveying. The results, when postprocessed and examined by the surveyor, and combined with local knowledge (those responsible for road maintenance often have an understanding of where potential problems might occur, perhaps backed up by reports from the public), would therefore be of value in informing subsequent maintenance decisions: no further action before the next routine survey, further detailed surveying or planned maintenance activity to repair the surface.…”

Section: Modelling Resultsmentioning

confidence: 94%

Automated detection of cracks in roads using ground penetrating radar

Torbaghan

Metje

et al. 2020

Journal of Applied Geophysics

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Section: Modelling Resultsmentioning

confidence: 94%

Automated detection of cracks in roads using ground penetrating radar

Torbaghan

Metje

et al. 2020

Journal of Applied Geophysics

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“…Other methodology used in the pavement tests is thermography, based on the detection of infrared radiation. Several studies indicate that this technique is appropriate to detect pavement defects, differences in compaction, cracking, and delamination [24][25][26]. Ultrasonic tomography has been also applied to detect cracks in concrete pavements [27,28].…”

Section: Detection Of Failures In Pavementsmentioning

confidence: 99%

GPR Spectra for Monitoring Asphalt Pavements

2020

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Ground Penetrating Radar (GPR) is a prospecting method frequently used in monitoring asphalt pavements, especially as an optimal complement to the defection test that is commonly used for determining the structural condition of the pavements. Its application is supported by studies that demonstrate the existence of a relationship between the parameters determined in GPR data (usually travel time and wave amplitude) and the preservation conditions of the structure. However, the analysis of frequencies is rarely applied in pavement assessment. Nevertheless, spectral analysis is widespread in other fields such as medicine or dynamic analysis, being one the most common analytical methods in wave processing through use of the Fourier transform. Nevertheless, spectral analysis has not been thoroughly applied and evaluated in GPR surveys, specifically in the field of pavement structures. This work is focused on analyzing the behavior of the GPR data spectra as a consequence of different problems affecting the pavement. The study focuses on the determination of areas with failures in bituminous pavement structures. Results epitomize the sensitivity of frequencies to the materials and, in some cases, to the damage.

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“…In view of the above, non-destructive testing (NDT) methods are gaining momentum in the assessment of civil engineering structures and infrastructures as fundamental tools for providing a more comprehensive survey programme (Loizos and Plati, 2007;Plati et al, 2014;Fontul et al, 2018). NDT methods have taken hold in the field of concrete structures in view of the increasing accuracy and effectiveness of their measurements.…”

Section: Introductionmentioning

confidence: 99%

Using Ground Penetrating Radar Methods to Investigate Reinforced Concrete Structures

Tosti

Ferrante

2019

Surv Geophys

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This paper provides an overview of the existing literature on the subject of Ground-Penetrating Radar (GPR) methods for the investigation of reinforced concrete structures. An overview of the use of concrete and reinforced concrete in civil engineering infrastructures is given. A review of the main destructive and non-destructive testing (NDT) methods in the field is presented, and an increase in the use of GPR to reinforced concrete structures is highlighted. It was also observed that research in some application areas has been predominantly or exclusively carried out at a laboratory scale, and that similarly, other more application-oriented research has been developed only on real-life structures. The effectiveness of GPR in these areas is demonstrated. Furthermore, a case study is presented on a new methodological and data processing approach for the assessment of reinforced concrete structures using a high-frequency dual-polarised antenna system. Results have proven the advantages of using the proposed methodology and GPR system in order to improve the detectability of rebars, including secondary bottom lines of reinforcement. The horizontal polarisation was proven to be more stable compared to the vertical. Finally, it has been demonstrated that a more accurate location of the rebars in a high-density grid mesh arrangement can be obtained by means of data migration processing with a scan spacing of 5 cm and wave velocity information through the use of the hyperbola fitting method from at least the 30% of targets.

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Use of infrared thermography for assessing HMA paving and compaction

Cited by 21 publications

References 15 publications

Automated detection of cracks in roads using ground penetrating radar

Automated detection of cracks in roads using ground penetrating radar

GPR Spectra for Monitoring Asphalt Pavements

Using Ground Penetrating Radar Methods to Investigate Reinforced Concrete Structures

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