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논문 기본 정보

자료유형
학술저널
저자정보
Park, Chun-Young (Dept. of Forest Sciences, College of Agriculture & Life Science, Seoul National University) Kim, Se-Jong (Dept. of Forest Sciences, College of Agriculture & Life Science, Seoul National University) Lee, Jun-Jae (Dept. of Forest Sciences, College of Agriculture & Life Science, Seoul National University)
저널정보
한국목재공학회 목재공학(Journal of the Korean Wood Science and Technology) 목재공학 제34권 제2호
발행연도
2006.1
수록면
1 - 9 (9page)

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The structural wooden members of the ancient building are deteriorated by fungi and termite over time. The deteriorate of the members causes the decrease of the specific gravity and the strength of it, so the stability of the building is threatened. Therefore, in this study, the evaluation of the specific gravity, which is correlated with the strength of the wood, was conducted in the post member using Nondestructive Evaluation (NDE) - Drilling Resistance Test (DRT). For the purpose of it, the specific gravity and drilling resistance of small specimens was measured to obtain the correlation between the specific gravity and the drilling resistance. And then, the drilling resistance test of the post members, which were expected to have the deteriorated parts, was performed. Consequently, the correlation between the specific gravity and the drilling resistance was very high ($R^2=0.89$) and the distributions of the specific gravity were evaluated for the each member. Also, the results were verified by the visual inspection of the cross section of it. Especially, the various variations of the wood member such as the deteriorated parts with termite or fungi and the crack could be detected exactly but the knot couldn't because the drill could pass by or could not penetrate the knot.

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