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Estabilização de argamassas de terra

Earth mortars stabilizationA review
Authors: Carreira, Inês Matos; Pombo Cardoso, Isabel; Faria, Paulina;

Estabilização de argamassas de terra

Abstract

A terra como material de construção tem sido alvo de um renovado interesse por se enquadrar nas actuais preocupações ambientais e de eco-eficiência. De facto, é um material ecológico e economicamente eficiente, revelando também propriedades de optimização do conforto no interior de edifícios. As argamassas de terra apresentam, no entanto, uma limitação: a sua susceptibilidade à água. De forma a viabilizar a sua utilização de forma mais abrangente, em ambientes interiores e exteriores onde possa existir contacto com água, tem vindo a ser estudada a inclusão de agentes estabilizantes. Neste artigo apresenta-se uma revisão critica do efeito de estabilizantes mais comuns utilizados em argamassas de terra, nomeadamente: fibras vegetais; ligantes tais como sulfatos de cálcio, cais aéreas e cais com propriedades hidráulicas, cimento; e óleos. Verifica-se que alguns destes estabilizantes parecem melhorar a resistência da terra à água líquida. No entanto, na maior parte das vezes, essa melhoria ocorre em detrimento de outras propriedades importantes, que são também discutidas.

Country
Portugal
Related Organizations
Keywords

Suscetibilidade à água, Ligantes, Estabilizantes, Argamassas de terra, Minerais argilosos, Rebocos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green
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