Cit:Franzoni.etal:2014

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Autor Franzoni E. and Sassoni E. and Graziani, G. and Fregni, A.
Jahr 2014
Titel Consolidation of fired-clay bricks by ethyl silicate: durability to salt crystallization
Bibtex
DOI 10.5165/hawk-hhg/253
Link Datei:25 SWBSS-2014 Franzoni etal.pdf
Bemerkungen In: De Clercq, Hilde (editor): Proceedings of SWBSS 2014. Third International Conference on Salt Weathering of Buildings and Stone Sculptures Royal Institute for Cultural Heritage, Brussels, Belgium, 14-16 October 2026, S. 347-356


Eintrag in der Bibliographie

[Franzoni.etal:2014]Franzoni E.; Sassoni E.; Graziani, G.; Fregni, A. (2014): Consolidation of fired-clay bricks by ethyl silicate durability to salt crystallization. In: Hilde De Clercq (Hrsg.): Proceedings of SWBSS 2014 3rd International Conference on Salt Weathering of Buildings and Stone Sculptures,KIK-IRPA, Royal Institute for Cultural Heritage Brussels 347-356, 10.5165/hawk-hhg/253.Link zu Google ScholarLink zum Volltext

Keywords[Bearbeiten]

terracotta, ethyl silicate, rising damp, sodium sulfate, bricks

Abstract[Bearbeiten]

The resistance of ethyl silicate-consolidated bricks to sodium sulfate crystallization cycles was evaluated. A commercial ethyl silicate (ES) based product was applied by brushing with 5 or 10 strokes to assess the effect on distribution/accumulation of the consolidant inside the pores. After long-term curing, aimed at making ES-treated samples lose their temporary hydrophobicity, samples were characterized by assessing the penetration depth of consolidants, tensile strength and modifications in open porosity and pore size distribution. Resistance to salt crystallization was evaluated by carrying out sodium sulfate crystallization cycles. The capillary suction of the salt solution was let occur through the untreated surface of cubic samples treated in the upper face, in order to investigate brick response to salts coming from behind the consolidated layer (the situation usually occurring when rising damp is present). Treatment with either 5 or 10 strokes provided protection against salt damage, and no accumulation of salt behind the consolidated layer was observed.

Zugehörige Primärdaten[Bearbeiten]