Journal of the Korean Wood Science and Technology

  • 제48권6호
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  • Pages.832-846
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  • 2020
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  • 1017-0715(pISSN)
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  • 2233-7180(eISSN)
한국목재공학회 (The Korean Society of Wood Science & Technology)
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국산 침엽수의 방사, 접선단면의 투습성 평가와 개선방안에 관한 연구

A Study on the Evaluation and Improvement of Permeability in Radial and Tangential Section of Domestic Softwoods

  • KIM, Joon Ho (Department of Bio-based materials, Chungnam National University) ;
  • YANG, Seung Min (Department of Bio-based materials, Chungnam National University) ;
  • LEE, Hyun Jae (Department of Bio-based materials, Chungnam National University) ;
  • PARK, Ki Hyung (The Korean Woodism-city Project Research Council, Chungnam National University) ;
  • KANG, Seog Goo (Department of Bio-based materials, Chungnam National University)
  • 투고 : 2020.08.19
  • 심사 : 2020.10.22
  • 발행 : 2020.11.25
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초록

본 연구는 목재의 투습성을 활용한 용도개발을 위해 국산 침엽수 9개 수종에 대한 투습성 평가와 소형 벽체 구조 제작을 통한 투습성 평가를 하고자 하였다. 또한, 투습성 개선을 위해 폐자재인 bottom ash를 흡습제로 투입한 소형 벽체를 제작하여 투습성을 평가하였다. 그 결과, Sd 값에 의한 투습성 평가 결과는 다음과 같다. ① 국산 침엽수 9개 수종 중 Abies holiphylla(잣나무), Picea jezoensis(가문비나무), Ginkgo biloba(은행나무), Pinus koraiensis(잣나무) and Pinus rigida(리기다 소나무)는 투습 성능을 나타내는 것을 확인하였다. ② 이를 이용하여 벽체 구조 제작 시 반투습 성능을 나타냄을 평가하였다. ③ 또한, Bottom ash를 투입한 소형 벽체 구조를 제작하여 투습성 개선 효과를 평가한 결과, Pinus koraiensis(잣나무)의 Sd 값이 1.63으로 나타나, 8개 타 수종보다 우수함을 확인하였다.

The purpose of this research was to evaluate the vapor permeability of nine different species of domestic softwood and the vapor permeability evaluation through the production of small wall structures for the developing applications, utilizing the vapor permeability of wood. In addition, the permeability evaluation was attempted by means of the production of a small wall structure injected with a waste material, bottom ash, as a moisture absorbent for improving the permeability. Consequently, the results of the vapor permeability evaluation by means of Sd value are as follows: (1) It was observed that Abies holiphylla, Picea jezoensis, Ginkgo biloba, Pinus koraiensis and Pinus rigida are permeable to moisture among 9 species of domestic softwood in Korea. (2) By means of this, semi-permeability efficiency was evaluated when producing a small wall structure. (3) Besides, improved effects of permeability were evaluated when producing a small wall structure inserted with bottom ash. As a result, it was confirmed that the Sd value of Pinus koraiensis turned out to be 1.63, which is superior to other 8 tree species.

키워드

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