Hochschularbeit
| Melanie Meißner: | Zurück | |
| Sprache: | Original - Übersetzung | |
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| Zusammenfassung: | For the development of conservation technologies for Thuringian Rhyolitic tuff, the church of Brotterode was available for exemplary renovation. The church is situated 600 meter above sea level in the small town of Brotterode/ Trusetal in the Thuringian forest and was build 117 years ago. Even within this short time-span, serious damage is already noticeable. In order to determine the causes for the damage, it was necessary to ascertain the technical properties of the stone. The latter show that particularly the hygric and thermic expansion are the main reason for the damage. To get a first idea for the conservation and restoration of tuff, other restoration projects with similar stones were evaluated. The main findings revealed that the conservation of such stones is fairly difficult, as commonly used materials for stone consolidation would not work satisfactorily. The focus of this Master-Thesis was the development of alternative technologies such as the consolidation of scales and the bonding of shells with epoxy resin. Acrylate bonding agents were used for surface protection with slurries, glazes and stone-supplement mortar. All technologies were tested in the laboratory, prior to a field study on selected areas in the church itself, to evaluate their applicability. |
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