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Preservation strategies for avoidance of salt crystallisation in El Paular Monastery cloister, Madrid, Spain

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López Arce, Paula and Fort González, Rafael and Gómez Heras, Miguel and Pérez-Monserrat, Elena Mercedes and Varas Muriel, María José (2011) Preservation strategies for avoidance of salt crystallisation in El Paular Monastery cloister, Madrid, Spain. Environmental Earth Sciences, 63 (7-8). pp. 1487-1509. ISSN ISSN: 1866-6280, online ISSN: 1866-6299

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Official URL: http://dx.doi.org/10.1007/s12665-010-0733-x



Abstract

El Paular Monastery (eleventh century) is one of the most important Carthusian monasteries in Spain and is highly affected by crystallisation of Mg-sulphates, together with chlorides and nitrates. Urgent remediation of the decay process is needed to guarantee the stability of the building materials from the cloister and to make their hallways suitable for the exhibition of an important collection of seventeenth century paintings. This paper aims to characterise the building materials, salts and their interaction to suggest preservation strategies to minimise the impact of salts both in the short and the long term. These strategies include architectural solutions (such as a ventilation system to avoid increasing dampness and hence the dissolution, mobilisation and crystallisation of salts), petrophysical-based solutions (i. e. exploiting the porosity differences between building materials and poultices to maximise salt reduction) and strategies based on the physicochemical behaviour of salts and relative humidity transfer through the stone (to determine the most suitable environmental conditions to prevent crystallisation of the most harmful salt species). This research represents both a practical and experimental exercise that is useful for conservation scientists and restorers involved in the field of preservation of monuments, and for environmental control to avoid salt crystallisation.


Item Type:Article
Uncontrolled Keywords:Cultural heritage; El Paular monastery; Patrimonio cultural; Conservación
Palabras clave (otros idiomas):Conservation; Monasterio El Paular; Mg-sulfate salts; Building materials; Salt crystallization; Preservation strategies; Environmental control
Subjects:Sciences > Geology > Petrology
ID Code:47936
Deposited On:06 Jun 2018 10:13
Last Modified:06 Jun 2018 10:27

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