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논문 기본 정보

자료유형
학술저널
저자정보
LEE, In-Hwan (Timber Engineering Lab., Division of Forest Material Science & Engineering, Program of Forest materials Engineering, College of Forest and Environmental Sciences, Kangwon National Uni) SONG, Yo-Jin (Timber Engineering Lab., Division of Forest Material Science & Engineering, Program of Forest materials Engineering, College of Forest and Environmental Sciences, Kangwon National Uni) SONG, Da-Bin (Timber Engineering Lab., Division of Forest Material Science & Engineering, Program of Forest materials Engineering, College of Forest and Environmental Sciences, Kangwon National Uni) HONG, Soon-Il (Timber Engineering Lab., Division of Forest Material Science & Engineering, Program of Forest materials Engineering, College of Forest and Environmental Sciences, Kangwon National Un)
저널정보
한국목재공학회 목재공학(Journal of the Korean Wood Science and Technology) 목재공학 제47권 제5호
발행연도
2019.1
수록면
655 - 662 (8page)

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This study evaluated the multi-bonding performances of timbers as well as those of reinforcement and timber to obtain data for preparing guidelines regarding the use of timbers as large structural members. For the multi-bonding performances of timbers, four types of bonding surfaces were prepared according to the pith position. For the bonding performances of FRP (fiber-reinforced plastic)/steel plate and timber, a total of 11 types of specimens were produced for the selection of the appropriate adhesive. The bonding performances of the produced specimens were evaluated through a water soaking delamination test, a water boiling delamination test, and a block shear strength test. The test results showed that the bonding strength of the bonding surface according to the pith position was highest in the specimen for which the two sections with the pith at the center of the cross-section on timber and between the bonding surfaces (the tangential and radial sections were mixed) were bonded. Furthermore, the specimens for which the section (radial section) with the pith on the bonding surface of the timber was bonded showed a high delamination percentage. The results of the block shear strength test showed that the bonding section did not have a significant effect on the shear strength, and that the measured wood failure percentage was higher than the KS standard value. The PVAc adhesive showed the highest bonding strength between larix timber and GFRP (glass FRP). Furthermore, the epoxy and polyurethane adhesives showed good bonding strength for CFRP (carbon FRP) and structure steel, respectively.

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