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Avaliação das propriedades mecânicas da madeira in situ por ensaios em mesoprovetes

Authors: Brites, Ricardo D.; Machado, J. S.; Lourenço, Paulo B.;

Avaliação das propriedades mecânicas da madeira in situ por ensaios em mesoprovetes

Abstract

Uma das principais dificuldades da avaliação do estado de segurança de estruturas de madeira existentes é a determinação das propriedades mecânicas a utilizar para efeitos de cálculo. Os procedimentos habituais de estabelecimento das propriedades mecânicas com base no estabelecimento de classes de resistência por avaliação visual validada com ensaios não-destrutivos conduzem a resultados muito conservativos. No presente trabalho será apresentado um método semi-destrutivo que avalia a resistência à tracção da madeira através de amostras recolhidas do elemento estrutural, sendo estabelecidas relações entre resultados análogos de mesoprovetes e provetes normalizados para peças de pinho bravo (Pinus pinaster Ait.) e castanho nacional (Castanea sativa Mill.).

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Portugal
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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