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Reforço de alvenaria usando matrizes inorgânicas

Masonry reinforcement using inorganic matrices
Authors: Marques, Vera Lúcia Sousa;

Reforço de alvenaria usando matrizes inorgânicas

Abstract

As construções de alvenaria antiga são hoje em dia um foco importante na área da construção dado o seu valor histórico, social e cultural. Assim sendo, este sector tem demonstrado uma maior preocupação na sua preservação com recurso a materiais compósitos para reforço das mesmas. No entanto a informação relativa a estes materiais, é escassa, nomeadamente no que diz respeito à sua aderência ao substrato. Os materiais compósitos, de entre os quais os já conhecidos FRPs, são compostos por uma matriz e fibras. Sendo que nesta dissertação os materiais utilizados são, como substrato, o tijolo, as fibras são metálicas, de vidro e naturais (linho), e a matriz é à base de uma argamassa de cal e uma outra geopolimérica. Com esta tese pretende-se substituir a tradicional matriz de resina, para começar a utilizar matrizes inorgânicas com base em ligantes não cimentícios, de modo a garantir uma boa aderência desta ao substrato, e também de modo a preservar as propriedades das fibras. Ao longo desta dissertação são apresentados ensaios experimentais, com vista a caracterizar o comportamento mecânico dos materiais pertencentes ao compósito, quer individualmente, quer no seu conjunto.

Country
Portugal
Related Organizations
Keywords

Aderência, Reforço, Materiais compósitos, Composite materials, Steel cords, Alvenaria antiga, Fibras naturais, Argamassa de cal, Experimental tests, Geopolymeric mortar, Reinforcement, Argamassa geopolimérica, Fibras metálicas, Ensaios experimentais, Matrizes inorgânicas, Ancient masonry, Inorganic matrixes, Lime mortar, Natural fibers, Bond

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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