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논문 기본 정보

자료유형
학술저널
저자정보
김선우 (전남대학교) 박현구 (전남대학교)
저널정보
한국생태환경건축학회 KIEAE Journal KIEAE Journal Vol.11 No.1(Wn.47)
발행연도
2011.2
수록면
3 - 8 (6page)

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초록· 키워드

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Sound absorbing materials used for lightweight panels and interior material are mainly made of fibroid material such as glass wool or rock wool. However these fiber type sound absorbing materials have some problems such that sound absorption could be decreased as time goes by because of durability. In addition, dust scattering from fiber type material can cause another problem in health. In this point of view, this study aims to develop environment friendly sound absorbing material using Hwangto(so called loess or yellow soil), a traditional housing material. Hwangto is natural housing material in Korea and generally known for improving indoor air quality. Hwangto panel is made to construct on the floor, wall and ceiling, and expected that there is not enough absorption. Present study tried to develop environment friendly sound absorbing material that has high sound absorption performance with good environment performance in terms of air quality. Pore rate was designed to maximize the absorption in the specific frequency bands, and two kinds of backing space were applied in order to see the effect of backing space. As a result peak frequency that has maximum absorption is going high as the pore rate is increased. The backing space provides more absorption and makes the peak frequency down to low.

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Abstract
1. 서론
2. 실험실 실험을 통한 흡음율 측정
3. 흡음율 측정결과 분석
4. 결과 및 토의
5. 결론
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