Physical and mechanical properties of wood from Eucalyptus camaldulensis clonal plantation

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Abstract

The technological quality and potential utilization of wood from individual Eucalyptus clones under Moroccan plantation conditions remain uncertain, particularly for clone 699 at the age and under the plantation conditions investigated in this study. This study aimed to evaluate the physical and mechanical properties of wood from a nine-year-old Eucalyptus camaldulensis clonal plantation (clone 699) in Morocco and to provide evidence on its potential for alternative wood uses. Ten logs from ten different trees were collected and processed into standardized test specimens. Physical characterization included moisture content, basic density, radial, tangential and volumetric shrinkage, and shrinkage anisotropy, while mechanical characterization included dynamic and static modulus of elasticity, bending strength, compression strength, and axial tensile strength. The studied wood showed high basic density (668kg/m³), medium volumetric shrinkage (14,53%), and normal shrinkage anisotropy (2,40), while its mechanical properties were generally in the low-to-intermediate range compared with previously reported Eucalyptus materials. Overall, the physical and mechanical characterization provides evidence on the technological quality of nine-year-old clone 699 under the studied plantation conditions and contributes to reducing uncertainty regarding its potential utilization beyond its traditional applications.

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