| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
The history of modern timber bridge used glulam is about 30 years in Japan, and maintenance method of the bridges is being improved. However, the actual condition is that the investigation on durable years for modern timber bridges is hardly done also in foreign countries in addition to the timber bridge research subcommittee in JSCE. In this study, the calculation of durable years, the estimation and the factor analysis by qualification theory class I are performed with the data of 72 modern timber bridges, and then the estimated equation of durable years for modern timber bridges is investigated. Furthermore, the applied method of the estimated equation is also indicated in this study.
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