Abstract
Wood is one of the main raw materials utilized by man. It can be applied in furniture and package industries, and also in components for building construction, including structures. For all these purposes, it is necessary to know the physical and mechanical properties of wood specie being used. Brazilian Code ABNT NBR 7190:1997 (Design of Timber Structures), in its Annex B, presents methods for determining wood mechanical properties, among them the cleavage parallel to grain. This property is important because it relates to the design of bolted and nailed joints in timber structures. In this context, the present research aims to the experimental determination of cleavage strength parallel to grain strength for Schizolobium amazonicum (Parica) wood specie recently used for structural purposes, in Brazil. With raising availability, due to the great production in planted areas, Parica can achieve some segments in Brazilian exportation trade. Results showed that cleavage strength for Schizolobium amazonicum is lower when compared with traditional tropical essences, but sufficient for several structural applications.
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