Abstract
ABSTRACT: Wood is a material that for years has been used by man for a variety of purposes, particularly in rural and civil constructions and furniture industry. The possibility of shortages of some wood species, the characterization of other unfamiliar species is an alternative source for use in civil and rural construction. This study aimed to determine, with the aid of Brazilian standard NBR 7190, physical and mechanical properties of Castelo (Calycophyllum multiflorum) wood specie. Twelve determinations were obtained by property, totaling 204 experimental values. In the characterization of wood, regression models were used to estimate the values of timber strength and stiffness as a function of apparent density, being density the physical property more simple to be obtained. The results of mechanical properties showed consistent with the performance of other species used in construction, which highlights the potential use of the Castelo wood in structural design. Regression models, apparent density was considered significant in the estimation of only 4 among the 14 properties for wood strength and stiffness.
Highlights
The use of wood in construction is a practice that has been carried out for many years by mankind, from the need to store food, to overcome obstacles to the construction of shelters (Molina et al, 2013, Almeida et al, 2015)
Due to the great demand associated with few options, the prices of commonly used species increased, providing a new moment for the Brazilian timber sector, requiring the exploration of new wood species with the potential to replace those traditionally used in rural and civil construction (Christoforo et al, 2013)
In order to contribute to the use of new wood species in rural and civil construction, as well as in other applications, this research aimed to characterize Calycophyllum multiflorum wood and evaluate the possibility of estimating strength and stiffness properties due to the knowledge of the apparent density
Summary
The use of wood in construction is a practice that has been carried out for many years by mankind, from the need to store food, to overcome obstacles to the construction of shelters (Molina et al, 2013, Almeida et al, 2015). The use of wood for a wide range of purposes depends on the knowledge of its properties (physical, chemical, mechanical and anatomical) for a more rational use of this material, which comes from natural sources, perfectly meets the requirements imposed by the current environmental appeal of products and services provided by man (Almeida et al, 2014). Due to the great demand associated with few options, the prices of commonly used species increased, providing a new moment for the Brazilian timber sector, requiring the exploration of new wood species with the potential to replace those traditionally used in rural and civil construction (Christoforo et al, 2013). The physical and mechanical properties of this species have not yet been explored and disseminated
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