| 摘要 |
PROBLEM TO BE SOLVED: To compose a log structure of plural members as units, and construct a wood mattress of high quality easily and in a short period. SOLUTION: This structure comprises a bottom plate member 5 comprising logs combined in a length direction and in a width direction like a drainboard, a columella member 2 comprising length direction and width direction short logs alternately stacked horizontally, a side surface member 3 comprising logs stacked and integrated in plural stages in a horizontal direction having an interval between each other, and a partition member comprising logs to be provided in a width direction between the columella members 2 stacked and integrated in plural stages in a horizontal direction having an interval between each other. The bottom plate members 5 are placed in a length direction and/or a width direction, plural columella members 2 are raised at a specified interval between each other in a length direction and in a width direction, the side surface members 3 are provided between the columella members 2 in a length direction, and the partition members 4 are provided between the columella members 2 in a width direction, thereby the structure is composed like a box the inside of which is parted in a length direction and/or width direction.
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