Temperature and moisture content effects on compressive strength parallel to the grain of paricá
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Ambiente construído (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1678-86212015000100017 |
Resumo: | The aim of this study is to evaluate the effect of the temperature and moisture content on the compressive strength parallel to the grain of paricá (Schizolobium amazonicum Huber ex. Ducke) from cultivated forests. The experiments were carried out on 3 timber samples under different conditions: heated (HT), thermal treatment (TT) and water saturated (WS). The HT sample consisted of 105 clear specimens assembled in 15 groups, the TT consisted of 90 clear specimens assembled in 15 groups and the WS consisted of 90 clear specimens assembled in 9 groups. The specimens from HT and WS samples were tested at a temperature range from 20 to 230 ºC and 20 to 100 ºC, respectively. The HT specimens were tested at ambient temperature, but after being submitted to thermal treatment. The HT, TT and WS samples present a decrease in the compressive strength, reaching 65%, 76% and 59% of the compressive strength at room temperature, respectively. The decrease in the compressive strength of the HT and WS samples can be associated to the thermal degradation of wood polymers and the moisture content. For the TT sample, the strength increased for a pre-heating temperature of up to 170 °C due to the reduction in the moisture content of the specimens. |
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Temperature and moisture content effects on compressive strength parallel to the grain of paricáTimberTemperatureMoisture contentCompressive strength.The aim of this study is to evaluate the effect of the temperature and moisture content on the compressive strength parallel to the grain of paricá (Schizolobium amazonicum Huber ex. Ducke) from cultivated forests. The experiments were carried out on 3 timber samples under different conditions: heated (HT), thermal treatment (TT) and water saturated (WS). The HT sample consisted of 105 clear specimens assembled in 15 groups, the TT consisted of 90 clear specimens assembled in 15 groups and the WS consisted of 90 clear specimens assembled in 9 groups. The specimens from HT and WS samples were tested at a temperature range from 20 to 230 ºC and 20 to 100 ºC, respectively. The HT specimens were tested at ambient temperature, but after being submitted to thermal treatment. The HT, TT and WS samples present a decrease in the compressive strength, reaching 65%, 76% and 59% of the compressive strength at room temperature, respectively. The decrease in the compressive strength of the HT and WS samples can be associated to the thermal degradation of wood polymers and the moisture content. For the TT sample, the strength increased for a pre-heating temperature of up to 170 °C due to the reduction in the moisture content of the specimens.Associação Nacional de Tecnologia do Ambiente Construído - ANTAC2015-03-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1678-86212015000100017Ambiente Construído v.15 n.1 2015reponame:Ambiente construído (Online)instname:Associação Nacional de Tecnologia do Ambiente Construído (ANTAC)instacron:ANTAC10.1590/S1678-86212015000100003info:eu-repo/semantics/openAccessFigueroa,Manuel Jesús ManríquezMoraes,Poliana Dias deMaestri,Fernanda Almeidaeng2015-07-27T00:00:00Zoai:scielo:S1678-86212015000100017Revistahttps://seer.ufrgs.br/ambienteconstruidohttps://old.scielo.br/oai/scielo-oai.php||ambienteconstruido@ufrgs.br1678-86211415-8876opendoar:2015-07-27T00:00Ambiente construído (Online) - Associação Nacional de Tecnologia do Ambiente Construído (ANTAC)false |
dc.title.none.fl_str_mv |
Temperature and moisture content effects on compressive strength parallel to the grain of paricá |
title |
Temperature and moisture content effects on compressive strength parallel to the grain of paricá |
spellingShingle |
Temperature and moisture content effects on compressive strength parallel to the grain of paricá Figueroa,Manuel Jesús Manríquez Timber Temperature Moisture content Compressive strength. |
title_short |
Temperature and moisture content effects on compressive strength parallel to the grain of paricá |
title_full |
Temperature and moisture content effects on compressive strength parallel to the grain of paricá |
title_fullStr |
Temperature and moisture content effects on compressive strength parallel to the grain of paricá |
title_full_unstemmed |
Temperature and moisture content effects on compressive strength parallel to the grain of paricá |
title_sort |
Temperature and moisture content effects on compressive strength parallel to the grain of paricá |
author |
Figueroa,Manuel Jesús Manríquez |
author_facet |
Figueroa,Manuel Jesús Manríquez Moraes,Poliana Dias de Maestri,Fernanda Almeida |
author_role |
author |
author2 |
Moraes,Poliana Dias de Maestri,Fernanda Almeida |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Figueroa,Manuel Jesús Manríquez Moraes,Poliana Dias de Maestri,Fernanda Almeida |
dc.subject.por.fl_str_mv |
Timber Temperature Moisture content Compressive strength. |
topic |
Timber Temperature Moisture content Compressive strength. |
description |
The aim of this study is to evaluate the effect of the temperature and moisture content on the compressive strength parallel to the grain of paricá (Schizolobium amazonicum Huber ex. Ducke) from cultivated forests. The experiments were carried out on 3 timber samples under different conditions: heated (HT), thermal treatment (TT) and water saturated (WS). The HT sample consisted of 105 clear specimens assembled in 15 groups, the TT consisted of 90 clear specimens assembled in 15 groups and the WS consisted of 90 clear specimens assembled in 9 groups. The specimens from HT and WS samples were tested at a temperature range from 20 to 230 ºC and 20 to 100 ºC, respectively. The HT specimens were tested at ambient temperature, but after being submitted to thermal treatment. The HT, TT and WS samples present a decrease in the compressive strength, reaching 65%, 76% and 59% of the compressive strength at room temperature, respectively. The decrease in the compressive strength of the HT and WS samples can be associated to the thermal degradation of wood polymers and the moisture content. For the TT sample, the strength increased for a pre-heating temperature of up to 170 °C due to the reduction in the moisture content of the specimens. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-03-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1678-86212015000100017 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1678-86212015000100017 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S1678-86212015000100003 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Associação Nacional de Tecnologia do Ambiente Construído - ANTAC |
publisher.none.fl_str_mv |
Associação Nacional de Tecnologia do Ambiente Construído - ANTAC |
dc.source.none.fl_str_mv |
Ambiente Construído v.15 n.1 2015 reponame:Ambiente construído (Online) instname:Associação Nacional de Tecnologia do Ambiente Construído (ANTAC) instacron:ANTAC |
instname_str |
Associação Nacional de Tecnologia do Ambiente Construído (ANTAC) |
instacron_str |
ANTAC |
institution |
ANTAC |
reponame_str |
Ambiente construído (Online) |
collection |
Ambiente construído (Online) |
repository.name.fl_str_mv |
Ambiente construído (Online) - Associação Nacional de Tecnologia do Ambiente Construído (ANTAC) |
repository.mail.fl_str_mv |
||ambienteconstruido@ufrgs.br |
_version_ |
1754209102821588992 |