Thermal modification of most representative Portuguese wood species. A preliminary study

Abstract The thermal modification has proved to be an effective method to improve the durability of wood elements. Until now, most applications of thermally modified wood have been limited to non-structural applications since the wood’s heat treatment leads to a significant reduction in me...

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Autores principales:	Costa,João C., Branco,Jorge M., Camões,Aires F.
Lenguaje:	English
Publicado:	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile 2019
Materias:	Thermal modification experimental evaluation strength dimensional stability
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2019000300488
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spelling	oai:scielo:S0718-915X20190003004882020-02-04Thermal modification of most representative Portuguese wood species. A preliminary studyCosta,João C.Branco,Jorge M.Camões,Aires F. Thermal modification experimental evaluation strength dimensional stability Abstract The thermal modification has proved to be an effective method to improve the durability of wood elements. Until now, most applications of thermally modified wood have been limited to non-structural applications since the wood’s heat treatment leads to a significant reduction in mechanical performances. However, there is no knowledge about these treatments applied on the wood species more used in Portuguese constructions. In order to evaluate the effect of heat treatment on the wood species of Maritime pine (Pinus pinaster), Eucalyptus (Eucalyptus globulus), Beech (Fagus sylvatica), Acacia (Acacia melanoxylon) and Oak (Quercus faginea), an experimental program consisted of mechanical bending tests and dimensional stability tests (shrinkage, swelling and equilibrium moisture content) was defined. For comparison purposes, all tests were made with test specimens of non-modified and thermally modified wood using four temperature values (200ºC, 240ºC, 260ºC and 300ºC) and three exposed periods (2, 4 and 8 hours). The obtained results show that the behaviour of the studied experimented species was similar to the one of other species already studied in the available literature. It was possible to point out that mechanical properties decrease with the severity of the thermal treatment, while the dimensional stability improved.info:eu-repo/semantics/openAccessEscuela de Construcción Civil, Pontificia Universidad Católica de ChileRevista de la construcción v.18 n.3 20192019-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2019000300488en10.7764/rdlc.18.3.488
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Thermal modification experimental evaluation strength dimensional stability
spellingShingle	Thermal modification experimental evaluation strength dimensional stability Costa,João C. Branco,Jorge M. Camões,Aires F. Thermal modification of most representative Portuguese wood species. A preliminary study
description	Abstract The thermal modification has proved to be an effective method to improve the durability of wood elements. Until now, most applications of thermally modified wood have been limited to non-structural applications since the wood’s heat treatment leads to a significant reduction in mechanical performances. However, there is no knowledge about these treatments applied on the wood species more used in Portuguese constructions. In order to evaluate the effect of heat treatment on the wood species of Maritime pine (Pinus pinaster), Eucalyptus (Eucalyptus globulus), Beech (Fagus sylvatica), Acacia (Acacia melanoxylon) and Oak (Quercus faginea), an experimental program consisted of mechanical bending tests and dimensional stability tests (shrinkage, swelling and equilibrium moisture content) was defined. For comparison purposes, all tests were made with test specimens of non-modified and thermally modified wood using four temperature values (200ºC, 240ºC, 260ºC and 300ºC) and three exposed periods (2, 4 and 8 hours). The obtained results show that the behaviour of the studied experimented species was similar to the one of other species already studied in the available literature. It was possible to point out that mechanical properties decrease with the severity of the thermal treatment, while the dimensional stability improved.
author	Costa,João C. Branco,Jorge M. Camões,Aires F.
author_facet	Costa,João C. Branco,Jorge M. Camões,Aires F.
author_sort	Costa,João C.
title	Thermal modification of most representative Portuguese wood species. A preliminary study
title_short	Thermal modification of most representative Portuguese wood species. A preliminary study
title_full	Thermal modification of most representative Portuguese wood species. A preliminary study
title_fullStr	Thermal modification of most representative Portuguese wood species. A preliminary study
title_full_unstemmed	Thermal modification of most representative Portuguese wood species. A preliminary study
title_sort	thermal modification of most representative portuguese wood species. a preliminary study
publisher	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2019000300488
work_keys_str_mv	AT costajoaoc thermalmodificationofmostrepresentativeportuguesewoodspeciesapreliminarystudy AT brancojorgem thermalmodificationofmostrepresentativeportuguesewoodspeciesapreliminarystudy AT camoesairesf thermalmodificationofmostrepresentativeportuguesewoodspeciesapreliminarystudy
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Thermal modification of most representative Portuguese wood species. A preliminary study

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