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The present work describes an experimental exploratory study with the aim of production of wooden panels of Pinho bravo (Pinus pinaster) for constructive purposes. The analyzed product was obtained by bonding layers composed of processed wood pieces with rectangular cross section, orthogonally to each other, to produce panels. The product in question is similar to cross laminated timber, but the bond between layers was made in a linear way and not over the entire surface. The modulus of elasticity of the pieces was estimated by static and dynamic tests, with a good correlation between results. The testing of panels (one with three and the other with five-layer) consisted of static tests to assess the longitudinal modulus of elasticity and shear. Results showed less stiffness in the panels against the raw material basis and a pronounced influence of shear on the deformation as well as a non-linear behavior of the panels, facts attributed to the presence of the perpendicular layers and deformation in the adhesive.

Ensaios experimentais de painéis de madeira de Pinus pinaster (Pinho bravo)