合成木材の縦振動およびたわみ振動試験によるヤング率およびせん断弾性係数の測定

抄録

Longitudinal and flexural vibration tests of a synthetic wood (Eslon Neo Lumber FFU-50, Sekisui Chemical Co., Ltd.) were conducted with various length/depth ratios, and the Young’s modulus and shear modulus were measured. The validity of the vibration tests was examined from analyzing the effect of the specimen configuration on these moduli. The measurement method influenced on the value of Young’s modulus in the direction perpendicular to the fiber because of the fabrication process of the synthetic wood. To measure the Young’s modulus and shear modulus accurately, it was preferable to determine the length/depth ratio to be approximately 10.