CARACTERIZAÇÕES ANATÔMICA E FÍSICO-MECÂNICA DA MADEIRA DE Liquidambar sp.

Freitas, Thaís Pereira; Feuchard, Lairo David; Oliveira, J. T. S.; Paes, Juarez Benigno; Arantes, Marina Donária Chaves

doi:10.5380/rf.v45i4.36878

Cited by 11 publications

(11 citation statements)

References 7 publications

(5 reference statements)

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“…Comparing with Liquidambar sp. [16], Pinus and Teca [7], Cedrela fissilis and Hovenia dulcis [15], whose density varying between 0.478 and 0.577 g/cm³, Copaifera sp. wood apparent density (ρ 12 ) is higher than this wood species.…”

Section: Resultsmentioning

confidence: 99%

Physical and Mechanical Characterization of Copaifera sp. Wood Specie

Aquino¹,

Almeida²,

Almeida³

et al. 2018

ijme

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Wood has been used by mankind for many years in many purposes specially in construction and manufacture. It is necessary to characterize unknown species as an alternative for human use due to predatory harvest of well-known wood species; in consequence, possible shortage of this wood. This study intended to determine, under the Brazilian Standard ABNT NBR 7190, the mechanical properties of Copaíba wood (Copaifera sp.), and with the analysis of variance (ANOVA), handling the regression models, predict the values of strength and stiffness as a function of apparent density. Twelve models were used for each test, totalizing 180 experimental results. The mechanical properties of Copaifera sp. presented on tests demonstrated compatible performance with common wood species used in civil construction. According the regression models, any properties were considered significant with apparent density estimation.

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Section: Resultsmentioning

confidence: 99%

Physical and Mechanical Characterization of Copaifera sp. Wood Specie

Aquino¹,

Almeida²,

Almeida³

et al. 2018

ijme

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“…It has higher density as compared to the wood densities of Liquidambar sp. [15], Pinus and Teca [2], Cedrela fissilis, Hibrido clonal and Hovenia dulcis [16], ranging between 0.478 and 0.577g/cm³.…”

Section: Resultsmentioning

confidence: 99%

Full Characterization of Erisma uncinatum Warm Wood Specie

Lahr¹,

Arroyo²,

Almeida³

et al. 2016

ijme

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Wood is a material that for years has been used by man for a variety of purposes, particularly in rural and civil constructions. For the possibility of shortages of some wood species, the characterization of other little known species as alternatives is necessary. This research aimed to determine, with the aid of the Brazilian standard NBR 7190, physical and mechanical properties of Cambará rosa or Cedrinho wood (Erisma uncinatum Warm), and with the support of regression models (linear, exponential, geometric, logarithmic) based on analysis of variance (ANOVA), to estimate the values of strength and stiffness as a function of apparent density, for the density being a property of easy determination. Were obtained 12 determinations by physical and mechanical propertie, resulting in 204 experimental results. The mechanical properties of Erisma uncinatum Warm presented performance compatible with other species used in civil construction, but not being considered a high strength wood. By means of regression models to estimate the strength and stiffness values, it was found that no property can be estimated by the apparent density.

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“…It is denser than medium apparent density woods, such as Liquidambar sp. (Freitas et al, 2015), Pinus and Teca (Almeida et al, 2014), Cedrela fissilis, Clonal hybrids and Hovenia dulcis (Motta et al, 2014), ranging from 0.478 to 0.577 g/cm³. Light wood, such as Toona ciliata (Braz et al, 2013), Paricá (Almeida et al, 2013) and Gallesia integrifólia (Motta et al, 2014) have a density varying between 0.318 g/cm³ and 0.370 g/cm³.…”

Section: Resultsmentioning

confidence: 99%

Full Characterization of Calycophyllum Multiflorum Wood Specie

et al. 2017

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Wood is a material that for years has been used by man for a variety of purposes, particularly in rural and civil constructions and furniture industry. The possibility of shortages of some wood species, the characterization of other unfamiliar species is an alternative source for use in civil and rural construction. This study aimed to determine, with the aid of Brazilian standard NBR 7190, physical and mechanical properties of Castelo (Calycophyllum multiflorum) wood specie. Twelve determinations were obtained by property, totaling 204 experimental values. In the characterization of wood, regression models were used to estimate the values of timber strength and stiffness as a function of apparent density, being density the physical property more simple to be obtained. The results of mechanical properties showed consistent with the performance of other species used in construction, which highlights the potential use of the Castelo wood in structural design. Regression models, apparent density was considered significant in the estimation of only 4 among the 14 properties for wood strength and stiffness.

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CARACTERIZAÇÕES ANATÔMICA E FÍSICO-MECÂNICA DA MADEIRA DE Liquidambar sp.

Cited by 11 publications

References 7 publications

Physical and Mechanical Characterization of Copaifera sp. Wood Specie

Physical and Mechanical Characterization of Copaifera sp. Wood Specie

Full Characterization of Erisma uncinatum Warm Wood Specie

Full Characterization of Calycophyllum Multiflorum Wood Specie

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