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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Hyung-Kun (Department of Forest Sciences, College of Agriculture & Life Sciences, Seoul National University) Oh, Jung-Kwon (Department of Forest Sciences, Research Institute for Agriculture and Life Sciences, College of Agriculture & Life Sciences, Seoul National University) Jeong, Gi-Young (Department of Wood Science and Engineering, Chonnam National University) Yeo, Hwan-Myeong (Department of Forest Sciences, Research Institute for Agriculture and Life Sciences, College of Agriculture & Life Sciences, Seoul National University) Lee, Jun-Jae (Department of Forest Sciences, Research Institute for Agriculture and Life Sciences, College of Agriculture & Life Sciences, Seoul National University)
저널정보
한국목재공학회 목재공학(Journal of the Korean Wood Science and Technology) 목재공학 제41권 제2호
발행연도
2013.1
수록면
158 - 163 (6page)

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Cross laminated timber (CLT) has been an rising issue as a promising building material replacing steel-concrete in mid story rise construction. But, there was no specific standard for CLT because it had been developed in industrial section. Recently, new draft for requirements of CLT was proposed by EN which suggested to evaluate the performance of adhesive in CLT by the same method as glulam. But, it has been reported that shear performance of cross laminated timber is governed by rolling shear. Therefore, block shear tests were carried out to compare parallel to grain laminating and cross laminating using commercial one component PUR (Poly urethane resin). The result showed that the current glulam standard for evaluating bonding performance is not appropriate for CLT. Beacause shear strength of cross laminating decreased to 1/3 of parallel to grain laminating and this strength was representing shear performance of wood itself not the bond. However, cross laminating showed no significant effect on wood failure. Thus, wood failure can be used as a requirement of CLT bonding. Based on the results, cross laminating effect should be included when evaluating adhesive performance of CLT correctly and should be considered as an important factor.
#cross laminated timber #shear strength #wood failure #adhesive #PUR

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참고문헌 (9)

참고문헌 신청
American Society for Testing and Materials / Standard Specification for Adhesive for Bonded Structural Wood Products for Use Under Exterior Exposure Conditions google schola American Society for Testing and Materials / 2005 / Standard Practice for Estimating the Percentage of Wood Failure in Adhesive Bonded Joints / D 5266-99 google schola American Society for Testing and Materials / 2009 / Standard Test Method for Strength Properties of Adhesive Bonds in Shear by Compression Loading / D 905-08 google schola Blass, H. J. / 2000 / Rolling shear in stuructural bonded timber elements / Proc. Int. Conf. on Wood and Wood Fiber Composites :327~337 google schola Euro code / 2011 / Timber Structures -Cross laminated timber-Requirements (Draft) / BS EN 16351 google schola

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