Dynamic and static comparison of dovetail, tongue and groove in Beech wood

The aim of this study is to evaluate the dynamic and static of elastic properties of beech (Fagus orientalis) wood using conventional joints in woos industry including dovetail, tongue and groove beech wood with cyanoacrylate (CA) adhesives. Dimensions of experimental samples were determined 24×50×360 (mm) according to international standard (ISO No.3129). The results indicate that the effects of joint type, joint size, and retrospective joint size became meaningful in dynamic and static tests (p<0.05). Elasticity module for dovetail joint due to the shape, homogenous joint texture, and lack of extended adhesive line in the joint is closer to unjointed samples (control group). Based on the Student's t-test and Pearson correlation test, dynamic and static elasticity modulus had statistically significant positive correlation (p<0.05). Regarding to the correlation of dynamic and static tests, methods for non-destructive dynamic investigation may be used as appropriate alternatives to destructive static tests for assessing and classifying the woods.