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Earth-based mortars for masonry plastering
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Autores
Orientador(es)
Resumo(s)
Earth mortars have been applied since unknown times. Their advantages are
ecological but also cover several technical aspects, in terms of compatibility with masonries,
reversibility, comfort, aesthetic and health. Some requirements of a recent German standard, which
focus on non-stabilized earth plastering mortars, are presented. A commercial premixed Portuguese
earth mortar was made within an ECVET workshop and applied as plasters on four different
experimental masonry walls, at exterior environmental conditions. The plasters were observed during
six months and characterized in situ by non destructive techniques, namely by ultra-sounds and for
surface hardness. The same mortar used for the plasters was characterized in laboratory in fresh
state and samples of mortar (only mortar and mortar layer applied on brick) were produced and
characterized after drying. The characterization of the earth plasters applied on the walls and of the
mortar samples is presented and discussed, showing the viability of their use as plaster for different
masonry walls.
Descrição
9th International Masonry Conference 2014, 7-9 July, Universidade do Minho, Guimarães
Palavras-chave
masonry clayish earth vegetal fibre mortar plaster characterization
Contexto Educativo
Citação
Editora
Universidade do Minho/Instituto para Sustentabilidade em Engenharia Estrutural (ISISE)/International Masonry Society (IMS)