| Budget Amount *help |
¥80,080,000 (Direct Cost: ¥61,600,000、Indirect Cost: ¥18,480,000)
Fiscal Year 2022: ¥16,640,000 (Direct Cost: ¥12,800,000、Indirect Cost: ¥3,840,000)
Fiscal Year 2021: ¥17,030,000 (Direct Cost: ¥13,100,000、Indirect Cost: ¥3,930,000)
Fiscal Year 2020: ¥17,030,000 (Direct Cost: ¥13,100,000、Indirect Cost: ¥3,930,000)
Fiscal Year 2019: ¥16,380,000 (Direct Cost: ¥12,600,000、Indirect Cost: ¥3,780,000)
Fiscal Year 2018: ¥13,000,000 (Direct Cost: ¥10,000,000、Indirect Cost: ¥3,000,000)
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| Outline of Final Research Achievements |
Behind the apt use of natural materials is the existence of plant-specific optimized structures. For example, the relationship between the microstructure and physical properties of cherry and birch bark has revealed the physiological function of the bark, which is designed to peel off from the outside as it dries, as well as part of the reason why the bark has been used as a cordage since the Yayoi period. In addition, we proved that the use of ‘O-i-ma-sa' shingles for kokera-roofing, a roofing method for traditional buildings, was the wisdom of our ancestors who utilized the unique cellular structure characteristics of softwoods. Finally, we have tried to design wood materials that respond to the external environment based on these characteristics of optimized structures of wood.
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