Integration of earth and lime in architectural restorations

When some volumes of walls, roofs or plaster of earthen architecture are lacking, conventional “grafts” made with plastic material have been used as fillers. Although this strategy solves part of the problem, the reality is that adequate adhesion with the substrates is never achieved due to the shri...

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Asıl Yazarlar:	Guerrero Baca, Luis Fernando, Uviña Contreras, Francisco
Materyal Türü:	Online
Dil:	spa
Baskı/Yayın Bilgisi:	Restauro Compás y Canto S.A. 2021
Online Erişim:	https://editorialrestauro.com.mx/gremium/index.php/gremium/article/view/137
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spelling	oai:ojs3.editorialrestauro.com.mx:article-1372021-02-18T23:27:45Z Integration of earth and lime in architectural restorations Integración de tierra y cal en restauraciones arquitectónicas Guerrero Baca, Luis Fernando Uviña Contreras, Francisco arcillas Densidad Compactación estabilización hidróxido de calcio. Articulo de Investigacion Clays density compaction, stabilization calcium hydroxide Research paper When some volumes of walls, roofs or plaster of earthen architecture are lacking, conventional “grafts” made with plastic material have been used as fillers. Although this strategy solves part of the problem, the reality is that adequate adhesion with the substrates is never achieved due to the shrinkage of the integrated areas. Given this problem, a procedure has been developed in which, from the control of humidity, the addition of lime and compaction processes will generate much more stable components. Thus, a better link to the historical substrate, greater density, water saving is achieved and the retraction and detachment of the integrated parts is eliminated. In addition, over time the lime reacts with the clays and acquires greater strength and durability. This article describes some theoretical and practical considerations for the implementation of this conservation and restoration technique, which has a high application potential due to its practical, economic and ecological benefits. Cuando las obras de tierra presentan deterioros por faltantes en los volúmenes de muros, cubiertas o revoques, convencionalmente se han utilizado “injertos” de material en estado plástico como relleno. Aunque esta estrategia resuelve parte del problema, la realidad es que nunca se consigue una adecuada adherencia con los sustratos, debido a la retracción de las áreas integradas. Ante esta problemática, se ha desarrollado un procedimiento en el que, a partir del control de la humedad, el agregado de cal y los procesos de compactación, se generan componentes mucho más estables. Así se consigue una mejor liga al sustrato histórico, una mayor densidad, cierto ahorro de agua y se elimina la retracción y desprendimiento de las partes integradas. Además, con el paso del tiempo la cal reacciona con las arcillas y adquiere mayor resistencia y durabilidad. Este artículo describe algunas consideraciones teóricas y prácticas para la implementación de esta técnica de conservación y restauración, que tiene un alto potencial de aplicación por sus beneficios prácticos, económicos y ecológicos. Restauro Compás y Canto S.A. 2021-02-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículos evaluados por pares application/pdf https://editorialrestauro.com.mx/gremium/index.php/gremium/article/view/137 Revista Gremium; Vol. 7 No. 14 (2020): Conservación del patrimonio edificado con tierra; 137-150 Revista Gremium; Vol. 7 Núm. 14 (2020): Conservación del patrimonio edificado con tierra; 137-150 2007-8773 spa https://editorialrestauro.com.mx/gremium/index.php/gremium/article/view/137/63 https://editorialrestauro.com.mx/gremium/index.php/gremium/article/view/137/62 Derechos de autor 2021 Luis Fernando Guerrero Baca, Francisco Uviña Contreras https://creativecommons.org/licenses/by-nc-nd/4.0
institution	Editorial Restauro
collection	OJS
language	spa
format	Online
author	Guerrero Baca, Luis Fernando Uviña Contreras, Francisco
spellingShingle	Guerrero Baca, Luis Fernando Uviña Contreras, Francisco Integration of earth and lime in architectural restorations
author_facet	Guerrero Baca, Luis Fernando Uviña Contreras, Francisco
author_sort	Guerrero Baca, Luis Fernando
title	Integration of earth and lime in architectural restorations
title_short	Integration of earth and lime in architectural restorations
title_full	Integration of earth and lime in architectural restorations
title_fullStr	Integration of earth and lime in architectural restorations
title_full_unstemmed	Integration of earth and lime in architectural restorations
title_sort	integration of earth and lime in architectural restorations
description	When some volumes of walls, roofs or plaster of earthen architecture are lacking, conventional “grafts” made with plastic material have been used as fillers. Although this strategy solves part of the problem, the reality is that adequate adhesion with the substrates is never achieved due to the shrinkage of the integrated areas. Given this problem, a procedure has been developed in which, from the control of humidity, the addition of lime and compaction processes will generate much more stable components. Thus, a better link to the historical substrate, greater density, water saving is achieved and the retraction and detachment of the integrated parts is eliminated. In addition, over time the lime reacts with the clays and acquires greater strength and durability. This article describes some theoretical and practical considerations for the implementation of this conservation and restoration technique, which has a high application potential due to its practical, economic and ecological benefits.
publisher	Restauro Compás y Canto S.A.
publishDate	2021
url	https://editorialrestauro.com.mx/gremium/index.php/gremium/article/view/137
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Integration of earth and lime in architectural restorations

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