Moisture condition evaluation in a sixteenth century building using non-destructive techniques
Fecha
2022-11-01Autor
Ruiz-Valero, Letzai
Prieto-Vicioso, Esteban
Flores-Sasso, Virginia
Fernández-Flores, Gabriela
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The objective of this study is to analyze the surface moisture conditions in a sixteenth century building located in the colonial city of Santo Domingo, Dominican Republic, by non-destructive methods. Two techniques were used to accomplish the investigation: infrared thermography (IRT) and electrical resistance measuring (ERM). Additionally, a visual inspection was performed, and the thermo hygrometric conditions were registered. In visual inspection, it was observed that there is a significant deterioration in the walls, due to the presence of humidity, permitting the appearance of plants and the development of black crust. The results obtained with IRT have allowed us to detect humidity by capillarity, humidity by water infiltration due to the breakage of the downspouts or accumulation in the balcony and cornice area, in addition to growth of vegetation on the walls. While ERM results confirm the moisture found with the IRT, indicating that there are very humid areas, others sufficiently dry and intermediate areas. In conclusion, it can be said that the use of these two methods and visual inspection allows a precise and rapid detection of the humidity present in the construction elements of a historic building, thus contributing to its preservation.
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