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There is empirical evidence that laminated wood, compared to solid wood, improves its bulk density and modulus of elasticity. The objective of the research was to determine the apparent density, the wave velocity and the dynamic modulus by stress waves in solid and laminated wood of Enterolobium cyclocarpum, Tabebuia rosea and Juglans pyriformis. Solid and laminated wood specimens of small dimensions were prepared, and stress wave tests were carried out. The apparent density of laminated wood, in comparison with that of solid wood, increases for all three species. In contrast, the dynamic modulus of laminated wood increases for Enterolobium cyclocarpum and Tabebuia rosea but decreases for Juglans pyriformis. The variability of the apparent density, the wave velocity and the dynamic modulus, increases or decreases depending on the species and/or parameter in question. The results are valid for the case of laminated small specimens of the species studied. For its application to engineering projects, it is advisable to carry out ex profeso studies.

Caracterización mecánica por ondas de esfuerzo de la madera laminada de tres especies angiospermas