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Estoa. Revista de la Facultad de Arquitectura y Urbanismo de la Universidad de Cuenca
versão On-line ISSN 1390-9274versão impressa ISSN 1390-7263
Resumo
GUERRERO BACA, Luis Fernando; AVILA-BOYAS, Esmeralda e GARCIA-ALONSO, Lilian. Glycerol as earthen coatings stabilizer. Estoa [online]. 2022, vol.11, n.21, pp.83-97. ISSN 1390-9274. https://doi.org/10.18537/est.v011.n021.a05.
Recently there has been a significant increase in the generation of glycerol, which is a by-product of several industrial processes and which, due to its binding qualities, has potential for use in the application of earth coatings to improve its resistance and durability. This article documents a series of comparative analyzes of natural earth mortars and others stabilized with glycerol that characterize the cohesiveness, amount of mixing water required and resistance to water damage by capillary absorption and weathering, which are the factors that mostly affect plasters. It was possible to verify an increase in the toughness of the stabilized mortars, a decrease in the amount of liquid needed to mix and an adequate resistance to absorption both in the laboratory and in samples exposed to the elements. Glycerol proved to be an economically and ecologically sustainable resource for improving earth plasters.
Palavras-chave : sustainability; bioconstruction; moisture; plasters; clays.