Physical and mechanical characteristics of building materials of historic buildings

Jiří Witzany, Radek Zigler, Tomáš Čejka, Pavel Pospíšil, Milan Holický, Jan Kubát, Aneta Maroušková, Klára Kroftová

Physical and mechanical characteristics of building materials of historic buildings

Číslo: 4/2017
Periodikum: Civil Engineering Journal
DOI: 10.14311/CEJ.2017.04.0029

Klíčová slova: physical and mechanical characteristics, unreliability, masonry components, heterogeneous nature, variable factors, fyzikální a mechanické vlastnosti, nespolehlivost, komponenty zdiva, heterogenní charakter, variabilní faktory

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Anotace: The article presents partial results of laboratory research into physical and mechanical characteristics of materials most commonly used as walling units in masonry structures of historic and heritage buildings. Core boreholes and specimens for the laboratory research of selected characteristics were sampled from accessible places of historic buildings, which had not been restored or reconstructed.

The results of the research brought new knowledge about the unreliability (variance) of the properties of historical, mainly natural building materials, and, at the same time, pointed out the need for further research and extension of knowledge necessary for the assessment of residual physical and mechanical characteristics of historic masonry structures.