{"title":"Earth mortars stabilization: A review","authors":"Inês Carreira, I. P. Cardoso, Paulina Faria","doi":"10.14568/cp2019043","DOIUrl":null,"url":null,"abstract":"Earth as a building material has been gaining a renewed interest due to current environmental and eco-efficiency concerns. Indeed, earth is an ecological and economically efficient material that can also contribute to increase indoor comfort.\n\nHowever, earth mortars have a limitation: their susceptibility to water. In order to implement a more comprehensive use in indoor and outdoor environments, where there may be contact with water, the inclusion of stabilizing agents has been studied. This article presents a critical literature review of the effect of the most common stabilizers used in earth mortars, specifically: vegetable fibres; binders such as calcium sulfates, air limes and limes with hydraulic properties, cement; and oils. It appears that some of these stabilizers seem to improve the earth mortars resistance to liquid water. However, in most cases, this improvement occurs at the expense of other important properties, which are also discussed.","PeriodicalId":55942,"journal":{"name":"Conservar Patrimonio","volume":null,"pages":null},"PeriodicalIF":0.4000,"publicationDate":"2020-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conservar Patrimonio","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14568/cp2019043","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"0","JCRName":"HUMANITIES, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 1
Abstract
Earth as a building material has been gaining a renewed interest due to current environmental and eco-efficiency concerns. Indeed, earth is an ecological and economically efficient material that can also contribute to increase indoor comfort.
However, earth mortars have a limitation: their susceptibility to water. In order to implement a more comprehensive use in indoor and outdoor environments, where there may be contact with water, the inclusion of stabilizing agents has been studied. This article presents a critical literature review of the effect of the most common stabilizers used in earth mortars, specifically: vegetable fibres; binders such as calcium sulfates, air limes and limes with hydraulic properties, cement; and oils. It appears that some of these stabilizers seem to improve the earth mortars resistance to liquid water. However, in most cases, this improvement occurs at the expense of other important properties, which are also discussed.
期刊介绍：
Conservar Património is a journal, published three times a year, that intends to create a space for the diffusion of conservator-restorers’ studies and activities. However, at a time when Conservation-Restoration pretends to develop further through collaboration with other areas of knowledge, such as History of Art, Archaeology, Museum Studies, Chemistry, Physics, Biology and other related disciplines from the fields of the natural and social sciences, the journal also receives contributions from any other provenance as long as directed towards the multiple dimensions of the works that integrate our Cultural Heritage. Theoretical issues on the conservation activity may also be submitted.
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