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Feasibility of glued laminated timber beams with tropical hardwoods

Bourreau D., Aimene Y., Beauchêne Jacques, Thibaut Bernard. 2013. Feasibility of glued laminated timber beams with tropical hardwoods. Holz als Roh- und Werkstoff, 71 (5) : 653-662.

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Titre allemand : Herstellbarkeit von Brettschichtholztra¨gern aus tropischem Laubholz

Quartile : Q2, Sujet : MATERIALS SCIENCE, PAPER & WOOD / Quartile : Q2, Sujet : FORESTRY

Résumé : A feasibility study of glulam was carried out in French Guiana using local wood species. The aim was to determine gluing parameters affording satisfactory behaviour to manufactured glulam in a tropical climate. Three abundant wood species, with special properties, were selected for the study and resorcinol-phenol-formaldehyde resin was used for bonding. Three industrial parameters were considered: adhesive spread rate, closed assembly time and gluing pressure. Delamination and shearing tests were carried out in accordance with European Standards. The tests revealed the influence of wood properties and manufacturing parameters on joint resistance. In fact, the results showed that specific gravity and the shrinkage coefficient greatly influenced the gluing step. Indeed, wood with a medium specific gravity needed more adhesive and more pressure than wood with a high specific gravity. In addition, planing and lamella thickness were found to affect glue joint resistance.

Mots-clés Agrovoc : bois, technologie du bois, arbre forestier, climat tropical, zone tropicale, bois tropical

Mots-clés complémentaires : Lamellé-collé, Collage, Qualea rosea, Peltogyne venosa, Dicorynia guianensis

Classification Agris : K50 - Technologie des produits forestiers

Champ stratégique Cirad : Hors axes (2005-2013)

Auteurs et affiliations

  • Bourreau D., UAG (GUF)
  • Aimene Y., UAG (GUF)
  • Beauchêne Jacques, CIRAD-ES-UMR Ecofog (GUF) ORCID: 0000-0003-4578-3670
  • Thibaut Bernard, UM2 (FRA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/570696/)

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