Adual − layered wooden HP ・ shell was used f( 〕r the Yamadera Post ofHce. The ! ayers , crossed relative to each other , are constructed of white wood boards connected with lag screws and 掬rther reinforced by aramid fiber sheet . Due to the complexity of this construction , the structura [characteristics are no し obvious. Therefore , the wbite wood material and the laminated wood panel of the HP sheU were tested , The resuhs of these experiments are as 『 bllows 、 1. The bending performance of a

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... laminated wood panel is equivalent to the performance of the one layer of the directions of an axis . 2, It is possible to increase theshearstrength and the rigidity ofthe laminated wood panel by aramid− fiber reinfbrcement . 1 .は じめ に 第 1 報 2)