Variability of physical and mechanical properties in lots of eucalipto lumber for the building construction. / Variabilidade de propriedades físico-mecânicas em lotes de madeira serrada de eucalipto para a construção civil.

AUTOR(ES)
DATA DE PUBLICAÇÃO

2002

RESUMO

The Eucalyptus genus has been reaching good position in the solid wood market due to its high productivity in wood of satisfactory mechanical quality, providing great availability for the building construction. The up date of the Brazilian Norm for projects of wood structures (NBR 7190/97), has introduced important modifications as the proposition of resistance grades for the properties of the wood, better methodologies for permitting the wood characterization and more concrete conditions to evaluate the structures safety in relation to its limit conditions. In the present work twelve lots of sawn wood of eucalyptus marketed in the form of beams were used for studying physical and mechanical properties of wood in order to classify the lots in the grade classes of mechanical quality proposed by the norm. It was verified that a set of wood cannot be directly classified into the same quality class according to all wood characteristics.

ASSUNTO(S)

wood technology. eucalypt sawn wood tecnologia da madeira. wooden structure cicil construction madeira serrada eucalipto estrutura da madeira construção civil

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