Fig. 7

Averages of the effect of the reinforcement on the elastic stiffness of the moment. The error bar indicates the standard deviation. *: Significant at 5% level, **: significant at 1% level. The letters, such as Si12, represent the specimen specifications, as follows: the first letters represent the wood species with Si, K, H, and Su representing shirakashi, kuri, hinoki, and sugi, respectively, and the number represents the height of the reinforcement