KIZILAĞAÇ VE KAVAKTAN ÜRETİLEN TABAKALI KAPLAMA KERESTELERİN MEKANİK VE FİZİKSEL ÖZELLİKLERİ ÜZERİNE TABAKA KOMBİNASYONUNUN ETKİSİ

Laminated veneer lumber (LVL) is an engineering product material used as girders, beams, joist, headers, panels, etc. in construction. In this study, the effect of ply combination on oven-dry specific gravity, equilibrium moisture content, thickness swelling and water absorption, tensile-shear strength, modulus rupture, elasticity compression strength parallel to grain LVL manufactured from alder poplar was investigated. Alder veneer, urea formaldehyde glue were production. LVLs produced a total 10 different combinations. Oven-dry test samples determined according TS 2472, 2471, EN 317, 314-1, 2474 2595, respectively. Based highest elasticity, oven dry gravity values obtained with veneers all plies. On other hand, With rising use production, increase amount absorption observed. It also observed that contribution rate lamination increases, increased.