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      SCOPUS KCI등재

      Bending Creep Property of Cross-Laminated Woods Made With Six Domestic Species = Bending Creep Property of Cross-Laminated Woods Made With Six Domestic Species

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      https://www.riss.kr/link?id=A104126602

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      다국어 초록 (Multilingual Abstract)

      In this study, with the view to using effectively small and medium diameter Korean domestic woods as struc-tural materials, cross-laminated woods were manufactured by using six species of Korean domestic softwoods and hardwoods, and bending creep properties were investigated for each species. The creep curves showed the shape of the exponential function plot, and the creep curves after 1 hour were able to estimate by fitting it to the power law. The initial and creep compliances of cross-laminated woods showed the higher values in wood species with a low density than in that with a high density. And by cross-laminating, the initial and creep com-pliances perpendicular to the grain considerably decreased, the extent of the decrease was found to be greater in creep deformation than in initial deformation. The creep anisotropies of cross-laminated woods were consid-erably decreased by cross-laminating. The relative creep of C<sub>⊥</sub> type composed of perpendicular-direction lamina in the faces decreased 0.59 - 0.64 times compared to that of P<sub>⊥</sub> type composed of perpendicular-direction lami-nae in all layers, and that for C<sub>∥</sub> type composed of parallel-direction laminae in the faces increased 1.5 - 1.6 times compared to that of P<sub>∥</sub> type composed of parallel-direction laminae in all layers.
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      In this study, with the view to using effectively small and medium diameter Korean domestic woods as struc-tural materials, cross-laminated woods were manufactured by using six species of Korean domestic softwoods and hardwoods, and bending creep prop...

      In this study, with the view to using effectively small and medium diameter Korean domestic woods as struc-tural materials, cross-laminated woods were manufactured by using six species of Korean domestic softwoods and hardwoods, and bending creep properties were investigated for each species. The creep curves showed the shape of the exponential function plot, and the creep curves after 1 hour were able to estimate by fitting it to the power law. The initial and creep compliances of cross-laminated woods showed the higher values in wood species with a low density than in that with a high density. And by cross-laminating, the initial and creep com-pliances perpendicular to the grain considerably decreased, the extent of the decrease was found to be greater in creep deformation than in initial deformation. The creep anisotropies of cross-laminated woods were consid-erably decreased by cross-laminating. The relative creep of C<sub>⊥</sub> type composed of perpendicular-direction lamina in the faces decreased 0.59 - 0.64 times compared to that of P<sub>⊥</sub> type composed of perpendicular-direction lami-nae in all layers, and that for C<sub>∥</sub> type composed of parallel-direction laminae in the faces increased 1.5 - 1.6 times compared to that of P<sub>∥</sub> type composed of parallel-direction laminae in all layers.

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