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Title: DAMAGE ASSESSMENT AND DIAGNOSIS - St. Sebastian Church, Almada
Authors: Gonçalves, T. D.
Delgado Rodrigues, J.
Keywords: Soluble salts;Crystallization;Salt decay;Case-study;Renders;São sebastião church;Almada
Issue Date: Mar-2004
Publisher: LNEC
Citation: Diaz Gonçalves T; Delgado Rodrigues J (2004) DAMAGE ASSESSMENT AND DIAGNOSIS – St. Sebastian Church, Almada. Case-study COMPASS, lnec2004c22.
Abstract: This report concerns São Sebastião Church, Almada, which was used as a case-study of the EU project COMPASS. It focuses the assessment of damage, diagnosis and advice for repair of salt decay anomalies. It concludes that capillary is probably the main source of moisture and nitrates the main type of salt (although chlorides were also detected). The high damage state of the lime-mortars seems to be due, in a great extent, to their low mechanical resistance and very high absorption. The new plasters and renders should prevent crystallization from occurring inside the weak substrate lime-mortars, which easily deteriorate.
Description: Este registo pertence ao Repositório Científico do LNEC
Appears in Collections:DM/NBPC - Relatórios Científicos

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