The nature of destruction of layered porous materials in the structures of cultural heritage sites
https://doi.org/10.37538/0005-9889-2025-2(627)-54-62
EDN: RPQXZP
Abstract
Introduction. The article presents the results of determining the properties of layered porous materials selected from the depths of the structures of cultural heritage sites, which are more or less susceptible to long-term exposure to moisture. The obtained data are compared with the properties of new materials used in similar structures and other objects according to literary sources.
Aim. Identification of signs of changes in the properties of layered porous materials occurring not only in the surface layer, but also throughout the entire depth of the structure.
Materials and methods. The presented studies are based on the results of the author's tests of more than 2,500 samples of materials from 24 architectural monuments of different times and locations that are under the long-term influence of adverse operational factors.
Results. The results show that, unlike homogeneous materials, the destruction of layered systems does not occur in layers, starting from the surface, but simultaneously throughout the entire volume of the structure.
Conclusions. A significant change in the properties of materials in all studied areas shows that, unlike homogeneous materials, the destruction of layered systems does not occur in layers, but in the volume of the entire depth of the structure.
About the Author
E. V. Sheikin
Central Scientific and Restoration Design Workshops; JSC Research Center of Construction
Russian Federation
Russian Federation
Evgeny V. Sheikin, Head of the Sector for Diagnostics of Humidity and Structural condition of Structures, Central Scientific and Restoration Design Workshops; Applicant, JSC Research Center of Construction, Moscow
e-mail: evg.sheykin@gmail.com
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For citations:
Sheikin E.V. The nature of destruction of layered porous materials in the structures of cultural heritage sites. Concrete and Reinforced Concrete. 2025;627(2):54-62. (In Russ.) https://doi.org/10.37538/0005-9889-2025-2(627)-54-62. EDN: RPQXZP
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