Production of I - Joists with wood panels of Pinus taeda L. and Eucalayptus dunnii Maiden
DOI:
https://doi.org/10.5380/rf.v35i3.5189Keywords:
Vigas estruturais, vigas com perfil I, compensados, painéis OSBAbstract
. This research was developed to evaluate the performance of I joists made out of LVL flanges of Pinus taeda and Eucalyptus dunnii, with webs of the OSB, plywoods of Pinus taeda and Eucalyptus dunnii, manufactured in south region of Brazil. The experimental chart was defined for six treatments with five repetitions, totalizing thirty I joists. The I joists were manufactured in laboratory through special apparatus for pressing, using the resorcina-formaldehyde resin. The results of bending strength tests showed the best performance of I joists made with flanges of Eucalipto in comparison to flanges of Pinus. In relation to webs, the I joists made with OSB showed the highest mean value of MOE in comparison to plywood of Pinus and Eucalipto species. For the MOR, it were not observed the same tendency obtained to MOE. The I joists made with flange of Eucalipto and web of OSB would be a technical and economically feasible alternative.
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