PRODUCTION OF LAMINATED VENEER LUMBER LVL USING VENEER OF Schizolobium amazonicum, Eucalyptus saligna AND Pinus taeda

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Setsuo Iwakiri Jorge Luis Monteiro de Matos Juliana Afonso Pinto Lívia Cássia Viana Marina Moura de Souza Rosilani Trianoski Vanessa Coelho Almeida

Abstract

This research evaluated the quality of laminated veneer lumber - LVL manufactured with veneers of Schizolobium amazonicum (paricá), Eucalyptus saligna and Pinus taeda. The LVL panels were manufactured in the laboratory conditions composed by seven veneers, 2,0 mm thickness, with different structural compositions, using phenol-formaldehyde resin. The veneers of Schizolobium amazonicum- paricá- were pre-classified by using stress wave machine. The veneers of Eucalyptus saligna and Pinus taeda were disposed in the face layer to reinforce the structural strength of LVL panels. The LVL quality was evaluated using glue line shear strength and static bending test (MOE and MOR, edge and flat). Grading of paricá veneers based on MOEd did not affected significantly the results of the glue line shear strength and MOE and MOR edge. For the MOE and MOR flat, the use of veneers of MOEd grade 1 contributed significantly to increasing the average values of these properties. In the same way, using the Eucalyptus saligna veneers on the face of LVL resulted in higher average values of MOE and MOR, edge and flat.

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How to Cite
IWAKIRI, Setsuo et al. PRODUCTION OF LAMINATED VENEER LUMBER LVL USING VENEER OF Schizolobium amazonicum, Eucalyptus saligna AND Pinus taeda. CERNE, [S.l.], v. 16, n. 4, p. 557–564, may 2015. ISSN 2317-6342. Available at: <http://cerne.ufla.br/site/index.php/CERNE/article/view/125>. Date accessed: 18 sep. 2019.
Keywords
Wood veneers, paricá, plywood
Section
Article