Analysis of physical and mechanical properties of Cuban Quercus wood a. rich from Viñales Analysis of physical and mechanical properties of Cuban Quercus sagraeana Nutt. wood a. rich from Viñales
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Abstract
The diversification of the use of wood is gaining importance on the world stage due to the fact that it replaces products from non-renewable resource sources, strengthening the multi-use of this renewable matrix. Therefore, the objective of this work is related to determining the radial variation of physical and mechanical properties of the Cuban Quercus A. Rich wood, from areas of the Viñales Science and Technology Unit, in the province of Pinar del Río., Cuba. 10 54-year-old trees are used and the physical-mechanical properties of the wood are determined from logs obtained at 1.30 m height from each tree, using the standards NC-43-37-87; ISO 13061-2; ISO 3787; ISO 3132 and ISO3133. Measurements were made in three different radial positions in the medullary cortex direction. The results obtained allow us to conclude that there is a strong effect of the parameter distance from the pith to the bark on all the characteristics of the wood studied, therefore, the radial variation of the characteristics of the wood indicates that the wood of Quercus cubana A. Rich tends to develop a significant positive relationship between the strength properties of wood and its density. Apply the opening cut dimensions to the Quercus cubana A. Rich log sawing schemes to obtain the largest volumes of quality wood, taking into consideration the variation of the properties studied in the radial direction of the logs.
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