Materiales de Construcción, Vol 64, No 313 (2014)

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


https://doi.org/10.3989/mc.2013.06612

C. Lerma
Universitat Politècnica de València, Spain

Á. Mas
Universitat Politècnica de València, Spain

E. Gil
Universitat Politècnica de València, Spain

J. Vercher
Universitat Politècnica de València, Spain

M. J. Peñalver
Universitat Politècnica de València, Spain

Abstract


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 crystalli-zation 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.

Keywords


Limestone; decay; physical properties; thermal analysis

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