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Fourteen century limestone deterioration: Desalination and restoration criteria (CROSBI ID 706911)

Prilog sa skupa u zborniku | stručni rad | međunarodna recenzija

Ugrina, Helena ; Marinković, Vinka ; Mudronja, Domagoj Fourteen century limestone deterioration: Desalination and restoration criteria // Proceedings of 5th International SWBSS conference – Delft 2021 / Lubelli, Barbara ; Kamat, Ameya ; Quist, Wido (ur.). Delft: TU Delft / Faculty of architecture and the built environment, 2021. str. 205-213

Podaci o odgovornosti

Ugrina, Helena ; Marinković, Vinka ; Mudronja, Domagoj

engleski

Fourteen century limestone deterioration: Desalination and restoration criteria

This paper describes conservation-restoration works carried out on the limestone dating 14th century, depicting St. Simeon and Elizabeth of Bosnia. Due to long-term exposure to environment in the museum yard and one inadequate restoration work in the 1950s, the stone showed a wide range of decay forms such as: delami-nation, exfoliation, disintegration, splintering, and powdering. The thickness and the shape of the damaged layers of the stone were variable. Laboratory research has shown a high concentration of soluble salts (chlorides, sulphates and nitrates, dominantly halite and gypsum), which caused accelerated decay of the limestone ; therefore, the conservation- restoration process was focused on different desalina-tion methods. Water baths were chosen for the desalination method, followed by barium hydroxide treatment. Before and after the desalination treatment, stone was consolidated by nano-lime. After the treatment, the stone relief was stabilized and ready for return to stabile museum environment.

preconsolidation ; salt ; disintegration ; desalination ; stone consolidation

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Podaci o prilogu

205-213.

2021.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of 5th International SWBSS conference – Delft 2021

Lubelli, Barbara ; Kamat, Ameya ; Quist, Wido

Delft: TU Delft / Faculty of architecture and the built environment

978-94-6366-439-4

Podaci o skupu

5th International SWBSS conference – Delft 2021

predavanje

22.09.2021-24.09.2021

Delft, Nizozemska

Povezanost rada

Interdisciplinarne prirodne znanosti, Interdisciplinarno umjetničko polje