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Some physical and mechanical characterization of Tunisian planted Eucalytus loxophleba and Eucalyptus salmonophloia woods

Elaieb M.T., Ben Rhouma S., Khouaja A., Khorchani A., Touhami I., Khouja M.L., Candelier K.. 2017. Journal of Chemical, Biological and Physical Sciences, 7 (2) : p. 537-549.

After the independence in 1957 and with the support of the FAO117, Eucalyptus species were planted in Tunisia in different arboreta throughout the country for close observation and adaptation to climate and soil. The objective of this study is to evaluate the physical and mechanical properties of two species planted in marginal area in Sousse (arboretum El Hanya) in the east of Tunisia (Eucalytus loxophleba and Eucalyptus salmonophloia). The moisture content, specific gravity and volumetric shrinkage were measured. The Mechanical tests were performed to evaluate the hardness, the static bending and the resistance to compression parallel to fiber direction. Preliminary results showed that Eucalytusloxophleba and Eucalyptus salmonophloia have a low dimensional stability. During the drying period, woods showed signs of collapses. On the other hand, both species were highly resistant to compression strength while they were lower on the static bending. Eucalytus loxophleba and Eucalyptus salmonophloia characteristics established within this study were similar to other Eucalyptus species from Tunisia, Morocco, Australia and Brazil. This wood may be used in furniture, structural material and/or biomass energy.

Mots-clés : bois; propriété mécanique; propriété physicochimique; propriété technologique; eucalyptus; densité; retrait; espèce introduite; provenance; utilisation; bois de charpente; meuble; Énergie renouvelable; biomasse; tunisie; eucalyptus loxophleba; eucalyptus salmonophloia; densité du bois

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