Monitoring of the Scrovegni Chapel by IR thermography: Giotto at infrared

Grinzato, E.; Bressan, Chiara; Маринетти, С.; Bison, P.; Bonacina, C.

doi:10.1016/s1350-4495(02)00136-6

Cited by 75 publications

(46 citation statements)

References 4 publications

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“…IRT has been successfully employed for the detection of delamination and subsurface cracks in concrete structures [49], for the location of near-surface defects or water infiltrations in masonry structures [50][51][52], non-homogeneity of materials or constructive technique [53,54], for the detection of structural damages [55], surface weathering [56] and plaster detachments [57] in historical buildings. The product of a thermographic survey is a pixel matrix (thermogram) collected through the thermal camera array detector, which after the correction of the sensitive parameters (object emissivity, path length, air temperature and humidity) represents a radiant temperature map of the investigated object.…”

Section: Infrared Thermography (Irt)mentioning

confidence: 99%

Detecting Slope and Urban Potential Unstable Areas by Means of Multi-Platform Remote Sensing Techniques: The Volterra (Italy) Case Study

2016

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Volterra (Central Italy) is a town of great historical interest, due to its vast and well-preserved cultural heritage, including a 2.6 km long Etruscan-medieval wall enclosure representing one of the most important elements. Volterra is located on a clayey hilltop prone to landsliding, soil erosion, therefore the town is subject to structural deterioration. During 2014, two impressive collapses occurred on the wall enclosure in the southwestern urban sector. Following these events, a monitoring campaign was carried out by means of remote sensing techniques, such as space-borne (PS-InSAR) and ground-based (GB-InSAR) radar interferometry, in order to analyze the displacements occurring both in the urban area and the surrounding slopes, and therefore to detect possible critical sectors with respect to instability phenomena. Infrared thermography (IRT) was also applied with the aim of detecting possible criticalities on the wall-enclosure, with special regards to moisture and seepage areas. PS-InSAR data allowed a stability back-monitoring on the area, revealing 19 active clusters displaying ground velocity higher than 10 mm/year in the period 2011-2015. The GB-InSAR system detected an acceleration up to 1.7 mm/h in near-real time as the March 2014 failure precursor. The IRT technique, employed on a double survey campaign, in both dry and rainy conditions, permitted to acquire 65 thermograms covering 23 sectors of the town wall, highlighting four thermal anomalies. The outcomes of this work demonstrate the usefulness of different remote sensing technologies for deriving information in risk prevention and management, and the importance of choosing the appropriate technology depending on the target, time sampling and investigation scale. In this paper, the use of a multi-platform remote sensing system permitted technical support of the local authorities and conservators, providing a comprehensive overview of the Volterra site, its cultural heritage and landscape, both in near-real time and back-analysis and at different scales of investigation.

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Section: Infrared Thermography (Irt)mentioning

confidence: 99%

Detecting Slope and Urban Potential Unstable Areas by Means of Multi-Platform Remote Sensing Techniques: The Volterra (Italy) Case Study

2016

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“…On the other hand, microclimatic studies have been combined with infrared thermography in order to complete the results obtained. Infrared thermography is a technique that allows us, at certain distance and without direct contact, to measure and display with an infrared sensor the infrared radiation emitted by an object (28). The camera used is a NEC Corporation (Tokyo, Japan) TH9260 with an infrared matrix of 640x480 pixels, a resolution of 0.06 °C and a spectral range from 8 to 14 µm.…”

Section: Environmental Studymentioning

confidence: 99%

“…Por otro lado, los estudios microclimáticos fueron combinados con la termografía infrarroja con el fin de completar los resultados obtenidos. La termografía infrarroja es una técnica que nos permite, a cierta distancia y sin contacto directo, medir y mostrar con un sensor infrarrojo la radiación infrarroja emitida por un objeto (28). La cámara utilizada fue una NEC Corporation (Tokio, Japón) TH9260 con una matriz de 640x480 pixels infrarrojos, una resolución de 0,06 °C y una gama espectral de 8 a 14 µm.…”

Section: Electromagnetic Radiation Measurementsunclassified

Pinturas murales de la casa de Ariadna (Pompeya, Italia): Un estudio multidisciplinar de su estado actual enfocado a una futura restauración y conservación preventiva

Pérez¹,

García-Diego²,

Merello³

et al. 2012

Mater. construcc.

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“…Hence, a multispectral technique allows a correct temperature measuring; that is acquiring thermograms within two different spectral bands and having a radiometric reference inside the Field Of View (FOV). Such a sophisticate procedure is especially needed when the temperature range is small and the region of interest (ROI) is close to corners [12].…”

Section: Basic Thermography For Building Inspectionmentioning

confidence: 99%

IR Thermography applied to historical buildings

Grinzato¹

2002

Proceedings of the 2002 International Conference on Quantitative InfraRed Thermography

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Different kinds of discontinuities affecting historical building structures are detectable by thermal analysis of the surface temperature when submitted to suitable boundary conditions. The use of a quantitative approach is illustrated according to particular requirements of works of art. Principal sources of errors and failures in the interpretation of thermographic data are considered.Applications to massive masonry buildings are reported to illustrate recent results applying advanced processing algorithms to frescoes.

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Monitoring of the Scrovegni Chapel by IR thermography: Giotto at infrared

Cited by 75 publications

References 4 publications

Detecting Slope and Urban Potential Unstable Areas by Means of Multi-Platform Remote Sensing Techniques: The Volterra (Italy) Case Study

Detecting Slope and Urban Potential Unstable Areas by Means of Multi-Platform Remote Sensing Techniques: The Volterra (Italy) Case Study

Pinturas murales de la casa de Ariadna (Pompeya, Italia): Un estudio multidisciplinar de su estado actual enfocado a una futura restauración y conservación preventiva

IR Thermography applied to historical buildings

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