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

✍ Scribed by Alfredo S. Ribeiro; Abílio M.P. de Jesus; António M. Lima; José L.C. Lousada

• Publisher: Elsevier Science
• Year: 2009
• Tongue: English
• Weight: 593 KB
• Volume: 23
• Category: Article
• ISSN: 0950-0618
• DOI: 10.1016/j.conbuildmat.2009.02.042

✦ Synopsis

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 gluedlaminated 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.