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■ 2008年6月2日(月)〜5日(木)に宮崎市で開催された10th World Conference on Timber Engineering 2008に
　 沼田淳紀室長が論文を発表しました。

　10th World Conference on Timber Engineering 2008(第10回木質構造国際会議2008)が，2008年6月2日(月)〜
 5日(木)に，宮崎市内の宮崎観光ホテルで開催され，当社からは沼田淳紀室長が以下の論文を発表しました。

　　■Investigation of wood piles retrieved from the Asuwa River
　　　執筆者：沼田 淳紀，上杉章雄，吉田 雅穂（福井高専），久保光（福井雪建技）


　Summary

To address the problem of global warming, wide use of wood and implementation of active forest 
management are some of the solutions. In civil engineering, utilization of wood has a long history.
Wood piles had been used as foundations for structures in Japan until around 1950. After the 1950's
the amount of cement and steel production dramatically increased, and thereafter, at least in civil
engineering, currently wood is not widely used. One of the reasons, according to the belief of the 
engineering community, is the high possibility of wood decay. Reconsideration of wood utilization in
construction would therefore enable its wider use, offering a countermeasure against global warming.
For this reason, the authors have been investigating wood piles that have been in use for long time.
The investigation of this paper concerns wood from the Asuwa River, in Fukui prefecture, Japan. The 
area along the river was flooded in 2004. After this disaster, the Asuwa River was dredged and many 
wood piles that were used in the foundation of three old bridges were found. Samples from these 
piles, which were embedded in the ground for many years, were delivered to a laboratory for 
investigation. The history of these piles, the results of identification of wood species, and the 
decay of wood are discussed in this paper.



関連する技術へのリンクはこちら

■木材による地中カーボンストック 
■リーフレット：地球温暖化防止対策「木材による地中カーボンストック」
■リーフレット：地球温暖化防止対策「木材による地中カーボンストック」地中木材の健全度調査
 

      


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