Abstract
ABSTRACT This study aimed to determine the basic density of the wood and to simulate the performance of flooring produced with wood from five tropical species: Dipteryx odorata (Cumaru), Handroanthus spp. (Ipê), Hymenaea Courbaril (Jatobá), Astronium Lecointei (Muiracatiara), and Bowdichia virgilioides (Sucupira-Preta). Falling steel sphere, static and dynamic friction, indentation caused by loads applied in small areas, rolling load, and abrasiveness impact tests were simulated. The results were subjected to analysis of variance and Tukey’s test at 5% significance, and Pearson’s correlation was performed between the basic density and the indexes of each flooring. The basic density of the wood flooring made from the evaluated species ranged from 0.735 to 0.958 g.cm-3. D. odorata, Handroanthus spp. and H. courbaril woods were classified as heavy, while those of A. Lecointei and B. Virgilioides as moderately heavy. It was possible to indicate D. odorata, Handroanthus spp., H. courbaril, and B. Virgilioides flooring for environments with intense traffic where there is dragging or falling objects such as industries and companies. The A. Lecointei flooring can be used in residential environments with light traffic, where the loads exerted are low. There was a correlation between the basic wood density and the flooring use simulation tests.
Highlights
Wood is used prominently in the manufacture of higher value-added products (PMVAs) such as doors, frames, floors, and furniture, among others
The D. odorata and Handroanthus spp. wood presented the highest averages of basic density, and did not differ statistically between them
The D. odorata, Handroanthus spp. and H. courbaril woods were classified as heavy, while the A. lecointei and B. virgilioides woods were classified as moderately heavy, according to Rocha et al (2014), who elaborated a classification regarding the basic density of wood for use in paving
Summary
Wood is used prominently in the manufacture of higher value-added products (PMVAs) such as doors, frames, floors, and furniture, among others. Rocha et al (2014) emphasize that wood is a durable and resistant material, and it is synonymous with comfort and warmth when used for floor production, which makes it highly appreciated. The physical and mechanical properties and aesthetic attributes should be evaluated to select the species to be used for producing flooring. The density of wood is one of the main factors to be considered in the selection of raw material, because dense woods result in more resistant floors (Padilha et al, 2006; Rocha et al, 2014; Blanco et al, 2015). Tropical species are the most used in flooring production (Oliveira et al, 2019) because they have higher densities and different combinations of colors and designs
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