Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Mechanical Properties and Sound Absorption Capability of Shipbuilding Plywood Waste

조선산업 폐합판의 강도적 성질과 흡음성능

  • Kang, Chun-Won (Department of Housing Environmental Design, and Research Institute of Human Ecology, College of Human Ecology, Chonbuk National University) ;
  • Kim, Gwang-Chul (Department of Housing Environmental Design, and Research Institute of Human Ecology, College of Human Ecology, Chonbuk National University) ;
  • Park, Hee-Jun (Department of Housing Environmental Design, and Research Institute of Human Ecology, College of Human Ecology, Chonbuk National University) ;
  • Kang, Wook
  • 강춘원 (전북대학교 생활과학대학 주거환경학과, 전북대학교 인간생활과학연구소) ;
  • 김광철 (전북대학교 생활과학대학 주거환경학과, 전북대학교 인간생활과학연구소) ;
  • 박희준 (전북대학교 생활과학대학 주거환경학과, 전북대학교 인간생활과학연구소) ;
  • 강욱 (전북대학교 농업생명과학대학 임산공학과)
  • Received : 2010.04.21
  • Accepted : 2010.05.17
  • Published : 2010.11.25
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Abstract

Sound absorption capability and bending strength of laminated ship-building plywood waste of maple and melanti wood were estimated. Sound absorption coefficients of wood had been measured by the two microphone transfer function method and bending strength examined by three point loading. The maximum strength in bending of laminated ship-building plywood waste of maple and melanti wood were 534 and 414 kgf/$cm^2$, respectively. The sound absorption coefficients of laminated ship-building plywood waste were higher than mongolian oak and fiber board, well used construction material. Especially, in the case of laminated ship-building plywood waste of melanti wood, average sound absorption coefficient was about 0.25. It was surmised that the laminated ship-building plywood waste can be used as interior materials because of its good mechanical and sound absorption properties.

적절한 용도개발이 필요한 조선산업 폐합판의 흡음성능과 기계적 성질을 파악하고자 메이플과 메란티 폐합판을 적층하고 재단하여 폐합판재활용보드를 만들어 전달함수법으로 흡음율을 측정하고 휨강도를 측정하였다. 메이플과 메란티에서 제작된 폐합판 적층 보드의 최대강도는 각각 534와 414 kgf/$cm^2$으로 나타나 상용합판과 비교하여 비슷한 강도성능을 나타내었다. 측정주파수범위에서 메란티 폐합판재활용보드의 흡음율은 0.25 전후의 수치를 나타내어 비교 대상인 섬유판과 신갈나무 시험편보다 높은 흡음율을 나타내었다. 폐합판 재활용보드의 측면을 슬라이스절삭하여 제작한 보드는 우수한 강도적 성능과 흡음성능으로 실내장식재로의 재활용이 기대되었다.

Keywords

References

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