Abstract
In this work ultrasonic pulse velocity (UPV) was used to assess the coating mortar adherence of clay bricks masonries. As a contribution to employment of non-destructive tests to historic buildings characterization, this paper has as the main aim to introduces a new methodology for damage identification (especially the presence of cracks) and coating mortar detachments in masonry walls. For that, an experimental setup based on ultrasonic measurements were carried out on the external walls of the Nossa Senhora da Expectação Church, built in 1709, at Icó, Brazil. The results showed that ultrasonic pulse velocity mapping can be used to identify the adherence and the non-adherence between coating mortar and the masonry. Also, a standard pattern of ultrasonic velocity distribution for masonry was identified. Finally, in this paper a new point of view on UPV interpretation was introduced, namely based on analysis the pattern of waves distribution.
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Araújo, E. et al. (2021). A New Approach for Assessment of the Coating Mortar Adherence in Ancient Masonries Through Ultrasonic Data. In: Delgado, J. (eds) Case Studies in Building Constructions. Building Pathology and Rehabilitation, vol 15. Springer, Cham. https://doi.org/10.1007/978-3-030-55893-2_4
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DOI: https://doi.org/10.1007/978-3-030-55893-2_4
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