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논문KCI 등재

못접합에 의한 내부천공이 삭편판(PB)의 휨강도에 미치는 영향

The Effect of Internal Nail-holes on the Bending Strength of Particle Board

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초록

This experiment was carried out to investigate the effect of internal holes on the bending strength of PB. The diameters of holes are 0mm to 13mm. The locations of holes are 1/8 to 4/5 point horizontally from sample end and are 1/5 to 4/5 vertically from sample surface, the numbers of holes are 1 to 4 pcs. In the size of internal holes, the bending strengths of PB were decreased significantly with the increase of diameter of holes, and the relationship between diameters(D) of holes and bending strength(σb) of PB was σb=-11D+168.8 (r2=-0.99**). The effects of hole-locations and hole-numbers on the bending strengths of PB were large. and so they should be considered as major facters for the jointing design of PB.

Abstract

This experiment was carried out to investigate the effect of internal holes on the bending strength of PB. The diameters of holes are 0mm to 13mm. The locations of holes are 1/8 to 4/5 point horizontally from sample end and are 1/5 to 4/5 vertically from sample surface, the numbers of holes are 1 to 4 pcs. In the size of internal holes, the bending strengths of PB were decreased significantly with the increase of diameter of holes, and the relationship between diameters(D) of holes and bending strength(σb) of PB was σb=-11D+168.8 (r2=-0.99**). The effects of hole-locations and hole-numbers on the bending strengths of PB were large. and so they should be considered as major facters for the jointing design of PB.

참고문헌 (10)

  1. ASTM, "Standard test methods for evaluating properties of wood-based fiber and particle panel materials. ASTM D 1037-96. ASTM, West Conshohocken, Pa", ~ (1988)
  2. Bodig, J, "Mechanics of wood and wood composites", pp.305~306 (1982), Van Nostrand Reinhold Company
  3. Hoadley,R.B, "Understanding wood. A craftman's guide to wood. A craftsman's guide to wood technology", pp.193~201 (1980), The Taunton Press
  4. Korean Standard Association, "KS F 2198, 2199, 3103", ~ (2001)
  5. Mischler, A., "Influence of ductility on the load-carrying capacity of joints with dowel-type fasteners. Paper 30-7-6. CIB-W18, Vancouver, Canada, 1997" (1997)
  6. Silvis, R, "Comparative economic feasibility of manufacturing plywood, com-ply, and oriented strandboard", Proceedings, 15th Washington State Univ, pp.101~ (1981), International Symposium on Particleboard
  7. Wangaard,F.F, "The mechanical properties of wood", pp.9~27 (1950), John Wiley & Sons, Inc.
  8. 김광철, "집성재 볼트 결합부의 강도 성능 개선에 관한 연구", 목재공학, 33(6), pp.31~37 (2005), 한국목재공학회
  9. 박종영, "한국 합판․보드산업의 현황과 전망", 97 한국합판․MDF․파티클보드 심포지엄, pp.99~124 (1997)
  10. 한태영, "열압온도와 시간이 재생파티보드의 물리․기계적 성능에 미치는 영향", 한국가구학회지, 13(3), pp.17~24 (2002)

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