Evaluation of Eco-Friendly Consolidating Treatments in Pugliese Tuff (Gravina Calcarenite) Used in Italian Heritage Buildings
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Título: | Evaluation of Eco-Friendly Consolidating Treatments in Pugliese Tuff (Gravina Calcarenite) Used in Italian Heritage Buildings |
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Autor/es: | Huesca Tortosa, José Antonio | Spairani-Berrio, Yolanda | Coviello, Cristiano Giuseppe | Sabbà, Maria Francesca | Rizzo, Fabio | Foti, Dora |
Grupo/s de investigación o GITE: | Grupo de Investigación en Restauración Arquitectónica de la Universidad de Alicante. GIRAUA-CICOP |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Construcciones Arquitectónicas |
Palabras clave: | Gravina Calcarenite | Bioconsolidation | Nanolime | Nanosilica | Stone consolidant | Lime water | DRMS |
Fecha de publicación: | 29-mar-2024 |
Editor: | MDPI |
Cita bibliográfica: | Buildings. 2024, 14(4): 940. https://doi.org/10.3390/buildings14040940 |
Resumen: | This work evaluates the effectiveness of various consolidating treatments applied to Pugliese tuff (Gravina Calcarenite). This type of stone has been used in numerous historic buildings in the Puglia area (southeast of Italy), which presents durability problems due to high porosity, low cohesion between clasts, and low mechanical resistance. Eco-friendly treatments that generate CaCO3 have been selected, specifically bioconsolidant KBYO biological and lime water, which a priori are capable of consolidating without occluding the pores or reducing them excessively, thereby creating compounds similar to those contained in the stone and being respectful of the environment. Nano-sized treatments have also been tested, including nanosilica and nanolime, to compare results with eco-friendly treatments. The bioconsolidating treatment has been applied in two different ways, the usual way consisting of two applications a day for 7 days, as well as a double treatment that is applied in two batches of 7 days with a rest of 7 days between applications. Double treatment has shown a great improvement in consolidation compared to the usual 7-day application; this treatment has obtained the best results in both mechanical and petrophysical properties. This study not only demonstrates the effectiveness of the bioconsolidant but also expands eco-friendly conservation strategies to improve the preservation of historical structures built in calcarenite. |
URI: | http://hdl.handle.net/10045/142088 |
ISSN: | 2075-5309 |
DOI: | 10.3390/buildings14040940 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.3390/buildings14040940 |
Aparece en las colecciones: | INV - GIRAUA-CICOP - Artículos de Revistas |
Archivos en este ítem:
Archivo | Descripción | Tamaño | Formato | |
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Huesca-Tortosa_etal_2024_Buildings.pdf | 12 MB | Adobe PDF | Abrir Vista previa | |
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