Study of strengthening solutions for glued-laminated wood beams of maritime pine wood

The application of the concept of glued-laminated wood (glulam) to improve the mechanical properties of the solid wood of the maritime pine ( Pinus pinaster) is the subject of this work. Two reinforced glued-laminated wood beams are proposed and assessed. The first is based on a concept of laminated...

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Bibliographic Details
Published in:Construction & building materials 2009-08, Vol.23 (8), p.2738-2745
Main Authors: Ribeiro, Alfredo S., de Jesus, Abílio M.P., Lima, António M., Lousada, José L.C.
Format: Article
Language:English
Subjects:
3-Point bending
Adhesives and sealants industry
Finite element method
Furniture industry
Glued-laminated beams
Laminated materials
Maritime pine
Mechanical properties
Pinus pinaster
Production processes
Quasi-static behavior
Strengthening
Timber
Wood
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Summary:The application of the concept of glued-laminated wood (glulam) to improve the mechanical properties of the solid wood of the maritime pine ( Pinus pinaster) is the subject of this work. Two reinforced glued-laminated wood beams are proposed and assessed. The first is based on a concept of laminated wood composite with fiber glass; the second is based on the application of pultruded lamellas glued to the most stressed tensile region of the glued-laminated beams. In order to demonstrate the potential of the proposed strengthening solutions, a comparison between their mechanical behaviors and the mechanical behaviors of the conventional glued-laminated and solid beams are performed. Static load–deflection curves, an equivalent Young’s modulus, the ultimate strain and modulus of rupture are determined using 3-point quasi-static bending tests. In general, it is demonstrated the beneficial effect of the proposed strengthening solutions both in terms of resistance and ductility.
ISSN:0950-0618
1879-0526
DOI:10.1016/j.conbuildmat.2009.02.042