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Salt-induced decay in calcareous stone monuments and buildings in a marine environment in SW France

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dc.contributor.author Cardell, C en
dc.contributor.author Delalieux, F en
dc.contributor.author Roumpopoulos, K en
dc.contributor.author Moropoulou, A en
dc.contributor.author Auger, F en
dc.contributor.author Van Grieken, R en
dc.date.accessioned 2014-03-01T01:19:30Z
dc.date.available 2014-03-01T01:19:30Z
dc.date.issued 2003 en
dc.identifier.issn 0950-0618 en
dc.identifier.uri http://hdl.handle.net/123456789/15538
dc.subject Architectural heritage en
dc.subject Calcareous stones en
dc.subject Marine environment en
dc.subject Salt weathering en
dc.subject SW France en
dc.subject.classification Construction & Building Technology en
dc.subject.classification Materials Science, Multidisciplinary en
dc.subject.other Aerosols en
dc.subject.other Air pollution en
dc.subject.other Buildings en
dc.subject.other Economic and social effects en
dc.subject.other Fatigue of materials en
dc.subject.other Granular materials en
dc.subject.other Pore size en
dc.subject.other Rocks en
dc.subject.other Saline water en
dc.subject.other Tensile strength en
dc.subject.other Self-induced decay en
dc.subject.other Weathering en
dc.title Salt-induced decay in calcareous stone monuments and buildings in a marine environment in SW France en
heal.type journalArticle en
heal.identifier.primary 10.1016/S0950-0618(02)00104-6 en
heal.identifier.secondary http://dx.doi.org/10.1016/S0950-0618(02)00104-6 en
heal.language English en
heal.publicationDate 2003 en
heal.abstract Salt weathering can be a hazard with significant cultural and economic implications. Salt-induced deterioration of architectural heritage is considered to be accelerated drastically in marine environments. This article investigates the weathering mechanisms and weathering forms in two calcareous stone types used in monuments and buildings on the SW coast of France. The mineralogical, chemical, textural and pore-system characteristics of freshly quarried and decayed stones from quarry, monuments and buildings were determined, and salts loading identified. The stones' resistance against salt weathering was estimated by comparing calculated crystallisation pressures, which are function of the pore size distribution, with the tensile strengths measured by Auger [Alteration des roches sous influence marine; degradation des pierres en oeuvre et simulation acceleree en laboratoir. These Doctorat d'Etat es Siences. Universite de Poitiers, France (1987)]. Results show that Crazannes sparite and La Pallice micrite behave differently with respect to water and salt-spray absorption and local salt precipitation since their pore networks, which control hydric properties, are different. Therefore, diverse weathering patterns due to salt crystallisation pressures were identified in the stones as influenced largely by their pore size distribution: alveolar weathering and granular disintegration in the sparite vs. flaking and micro-fissuring in the micrite. These mechanisms operate in response to salt inputs from a variety of sources - mainly marine aerosols and atmospheric pollution - as corroborated by the so-called enrichment factors (EFs). Wind is believed to trigger alveolar weathering in the heterogeneous sparite. Short-term observations in La Pallice micrite show rapid salt-induced breakdown through 'fatigue' effects. Determining factors involved in stone deterioration is important in the design of proper interventions for protecting historic buildings. © 2003 Elsevier Science Ltd. All rights reserved. en
heal.publisher ELSEVIER SCI LTD en
heal.journalName Construction and Building Materials en
dc.identifier.doi 10.1016/S0950-0618(02)00104-6 en
dc.identifier.isi ISI:000181682600003 en
dc.identifier.volume 17 en
dc.identifier.issue 3 en
dc.identifier.spage 165 en
dc.identifier.epage 179 en


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