2018
DOI: 10.4025/actascitechnol.v40i1.30913
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<b>Effect of service temperature on shear strength of <i>Pinus</i> wood for roof structures

Abstract: ABSTRACT. Temperature in timber roof trusses structures can reach 60°C and significantly affect wood strength, compromising the structural mechanical performance. This study aimed at quantifying the influence of exposure time to the mentioned temperature in wood strength by monitoring shear parallel to grain (f v0 ) of Pinus taeda and Pinus elliottii from planted forests. Exposure times at 60°C, in controlled oven, consisted of zero, 168, 456 and 720 hours. ANOVA results indicated that temperature (60°C) influ… Show more

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Cited by 13 publications
(9 citation statements)
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References 6 publications
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“…Wood is a versatile material with advantages over other materials, such as concrete, steel, aluminum, and plastic. Among these advantages are the strong relationship between the mechanical strength and density, low energy consumption during production, its status as a renewable resource, and good thermal and electrical insulation (Kollmann and Côté 1968;Vidal et al 2015;Hodoušek et al 2017;Osuji and Nwankwo 2017;de Almeida et al 2018). However, wood is composed of a relatively hydrophobic matrix and hydrophilic fibers, which makes its use less disseminated because of its susceptibility to wood-deteriorating organisms (Mohan et al 2008;Temiz et al 2010;2013;Ferrarini et al 2012).…”
Section: Introductionmentioning
confidence: 99%
“…Wood is a versatile material with advantages over other materials, such as concrete, steel, aluminum, and plastic. Among these advantages are the strong relationship between the mechanical strength and density, low energy consumption during production, its status as a renewable resource, and good thermal and electrical insulation (Kollmann and Côté 1968;Vidal et al 2015;Hodoušek et al 2017;Osuji and Nwankwo 2017;de Almeida et al 2018). However, wood is composed of a relatively hydrophobic matrix and hydrophilic fibers, which makes its use less disseminated because of its susceptibility to wood-deteriorating organisms (Mohan et al 2008;Temiz et al 2010;2013;Ferrarini et al 2012).…”
Section: Introductionmentioning
confidence: 99%
“…Eucalyptus and Pinus are the species most commonly used in construction because, in addition to their mechanical characteristics, there is an incentive to plant in reforestation areas (Almeida et al, 2018).…”
Section: Introductionmentioning
confidence: 99%
“…A madeira é um material de fonte natural, renovável e abundante no Brasil (Beech et al, 2017). Se apresenta como excelente alternativa de material para a construção civil, em razão da sua boa relação entre resistência e densidade (Almeida et al, 2018;Araujo et al, 2018).…”
Section: Introductionunclassified