Inspección mediante técnicas no destructivas de un edificio histórico: oratorio San Felipe Neri (Cádiz)

Rodríguez-Liñán, C.; Morales-Conde, María Jesús; Hita, Paloma Rubio de; Gálvez, Filomena Pérez

doi:10.3989/ic.10.032

Cited by 27 publications

(14 citation statements)

References 5 publications

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“…IR thermography has been used for more than 25 years to detect subjacent defects in buildings, such as fissures, cracks and humidity, as these features cause contrasting thermal responses. In cultural heritage, the most usual application of IR thermography is moisture location in historic buildings; other common applications in historic constructions are the assessment of previous conservation treatments such as cleanings, consolidations and restorations; and the identification of hidden structures behind the painting of the walls . Frescos have been also widely studied with IR thermography to detect previous interventions, hidden damages and, in some cases, to discover the cause of their deterioration (humidity, unknown structures in the wall, etc.)…”

Section: Introductionmentioning

confidence: 99%

“…In cultural heritage, the most usual application of IR thermography is moisture location in historic buildings; other common applications in historic constructions are the assessment of previous conservation treatments such as cleanings, consolidations and restorations; and the identification of hidden structures behind the painting of the walls. [3][4][5][6][7][8][9][10][11][12][13][14][15][16] Frescos have been also widely studied with IR thermography to detect previous interventions, hidden damages and, in some cases, to discover the cause of their deterioration (humidity, unknown structures in the wall, etc.). [17][18][19][20][21][22][23][24] In case of mosaics, IR thermography permits to evaluate the mortar and the suitability of the consolidative materials and treatments.…”

Section: Introductionmentioning

confidence: 99%

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Comparative assessment of stained‐glass windows materials by infrared thermography

Palomar

Agua

Gómez-Heras

2018

Int J of Appl Glass Sci

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This paper reports the analyses of infrared thermography images of two stained‐glass windows with the objective of the in situ characterization of this type of artworks. The analyses were carried out by active thermography. The observations revealed that glasses absorbed the long‐wave IR radiation emitted by the halogen lamps and their apparent surface temperature progressively increased. After switching the spotlight off, they experienced a progressive decrease in temperature. Silver stained glasses presented the same thermographic behavior than uncolored glasses because silver nanoparticles were too small or the yellow layer was too thin to produce a different response than the base glass with the IR radiation. The apparent surface temperature of enamels and grisailles depended on their thickness and color. Lead cames maintained an almost constant surface apparent temperature, except those painted that behave in a similar way than enamels. Metallic tin‐lead welds experienced the most important variation in the surface apparent temperature in reflection mode due to the energy reflected by the surface of the weld. Glass defects such as big bubbles were also observed.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparative assessment of stained‐glass windows materials by infrared thermography

Palomar

Agua

Gómez-Heras

2018

Int J of Appl Glass Sci

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“…The emissivity value is higher than 90% for most common construction materials, and in our case we have used a default value of 0.95 so that the results of measurements can be considered reliable (7).…”

Section: Infrared Thermographymentioning

confidence: 99%

Pathology of Building Materials in Historic Buildings. Relationship Between Laboratory Testing and Infrared Thermography

Lerma¹,

Más²,

Gil³

et al. 2013

Mater. construcc.

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Study of historic buildings requires a pathology analysis of the construction materials used in order to define their conservation state. Usually we can find capillary moisture, salt crystallization or density differences by deterioration. Sometimes this issue is carried out by destructive testing which determine materials' physical and chemical characteristics. However, they are unfavorable regarding the building's integrity, and they are sometimes difficult to implement. This paper presents a technique using infrared thermography to analyze the existing pathology and has the advantage of being able to diagnose inaccessible areas in buildings. The results obtained by this technique have been compared with those obtained in the laboratory, in order to validate this study and thus to extrapolate the methodology to other buildings and materials. RESUMEN: Patología de materiales de construcción en edificios históricos. Relación entre ensayos de laboratorio y termografía infrarroja.El estudio de edificios históricos requiere un análisis de la patología de los materiales de construcción empleados para poder definir su estado de conservación. Habitualmente nos encontramos con humedades por capilaridad, cristalización de sales o diferencias de densidad por deterioro. En ocasiones esto se lleva a cabo mediante ensayos destructivos que nos determinan las características físicas y químicas de los materiales, pero que resultan desfavorables respecto a la integridad del edificio, y en ocasiones resulta complejo llevarlos a cabo. Este trabajo presenta una técnica para analizar la patología existente mediante el empleo de termografía infrarroja con la ventaja de poder diagnosticar zonas de difícil acceso en los edificios. Para validar este estudio se han comparado los resultados obtenidos mediante esta técnica con los alcanzados en el laboratorio. De esta forma podemos extrapolar la metodología empleada a otros edificios y materiales.

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“…The literature describes the use of IR thermography for the evaluation of wood structures in historical buildings, such as the San Felipe Neri Oratory (Cadiz) [14] and a mosque in Ankara, Turkey [15].…”

Section: Thermography Applied To Wood Structuresmentioning

confidence: 99%

The Importance of Emissivity on Monitoring and Conservation of Wooden Structures Using Infrared Thermography

Crisóstomo¹,

Pitarma²

2019

Advances in Structural Health Monitoring

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Much of the built heritage is built of wooden structures. Due to the lack of maintenance, it is susceptible to biological attacks, such as fungi and wood destroying insects. Most of the methods used for its inspection and evaluation are intrusive. More friendly methods are required. Infrared thermography, being a non-destructive, contactless and versatile technique, can be a very useful tool in this field. However, the correct temperature measurement depends greatly on the emissivity value of the material. In this chapter, the emissivity values are presented and discussed for wood samples of Pinus pinaster species. In a qualitative analysis, this factor is not so important. Moreover, in a quantitative analysis for which the measured temperature value is relevant, it is crucial to know the emissivity value.

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Inspección mediante técnicas no destructivas de un edificio histórico: oratorio San Felipe Neri (Cádiz)

Cited by 27 publications

References 5 publications

Comparative assessment of stained‐glass windows materials by infrared thermography

Comparative assessment of stained‐glass windows materials by infrared thermography

Pathology of Building Materials in Historic Buildings. Relationship Between Laboratory Testing and Infrared Thermography

The Importance of Emissivity on Monitoring and Conservation of Wooden Structures Using Infrared Thermography

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