Evaluation of Flexural Performance According to the Plywood Bonding Method of Ply-Lam CLT

The purpose of this study is to optimize the bonding method plywood suitable for cross-laminated timber (CLT) with as a core by analyzing flexural performance and failure mode according lamina species, in longitudinal direction, whether or not adhesive applied joint. In case Douglas fir layer, modulus elasticity decreased about 11.5% due bonding, rupture increased application method. optimal conditions were derived butt joint without adhesive, half lap larch 15% 40%, respectively. When using lab tongue & groove joint, it believed that reduces load transmitted middle layer primarily preventing on flexure at layer. From results study, used manufacturing process Ply-lam CLT did show any difference based Butt are determined be when