枠組壁工法住宅市場におけるスギの活用

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1. はじめにこの考察の目的は国産材スギの需要拡大を図るために，枠組壁工法においてスギ２×４材を用いることが出来るのかを明らかにすると同時に，実際スギ２×４材を商品化するにはどうしたらよいのか，その障害となっているものは何か，またそれらを取り除くためにはどのような方策があるのかを探ることである。1.Introduction : Sugi (Japanese cedar) trees are mostly grown to a size for use as building material in Japan. Now, their use is limited to conventional post and beam construction. The amount of light frame construction has been increasing and reached 100,000 units in 2006. If sugi lumber can be used in light frame construction, the demand for sugi will be significantly expanded. We tested the quality of sawn sugi lumber for light frame construction. It was verified that sawn sugi lumber is generally of sufficient quality to use for light frame construction if lumber is not cut from juvenile trees. The economic problems of sugi lumber for light frame construction were also dealt with in this report. Commercial distribution routes of lumber consist of producers, consumers and distributors. Investigations with these members were conducted in order to clarify the issues involved in distributing sugi lumber. The results showed that uncertainty concerning sugi lumber strength and cost among the members would pose obstacles to the distribution of sugi lumber. To spread sugi lumber utilization for light frame construction, correct information about sugi lumber needs to be widely disseminated.
東京大学大学院農学生命科学研究科附属演習林,The Tokyo University Forests,東京大学農学生命科学研究科生物材料科学専攻木質材料学研究室,Lab. of Wood Based Materials & Timber Engineering,, Department of Biomaterials Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyoの論文
2009-06-20

枠組壁工法住宅市場におけるスギの活用

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