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Assessment of compressive strength of historic masonry using non-destructive and destructive techniques

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Author: Sýkora, M. · Diamantidis, D. · Holický, M. · Marková, J. · Rózsás, Á.
Publisher: Elsevier Ltd
Source:Construction and Building Materials, 193, 196-210
Identifier: 843764
doi: doi:10.1016/j.conbuildmat.2018.10.180
Keywords: Architecture and Building · Calibration · Clay bricks · Compressive strength · Mortar · Non-destructive test · Statistical analysis · Stone masonry · Uncertainty · Buildings and Infrastructures · 2015 Urbanisation


Masonry structures were built by various techniques using different materials, the properties of which exhibit a considerable scatter dependent on periods of construction and region-specific conditions. For historic structures with a heritage value, various non- or minor-destructive tests (NDTs) are commonly applied, while the application of destructive tests (DTs) is minimized. The contribution is based on investigations of 15 historic stone and clay brick masonry structures, for which NDT strengths of masonry units are verified by DTs. The proposed operational approach makes it possible to account for statistical uncertainty due to a limited number of DTs used to calibrate NDTs. © 2018 Elsevier Ltd