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논문 기본 정보

자료유형
학술저널
저자정보
정아영 (Korea Institute of Civil Engineering and Building Technology) 김경우 (Korea Institute of Civil Engineering and Building Technology) 신혜경 (Korea Institute of Civil Engineering and Building Technology) 양관섭 (Korea Institute of Civil Engineering and Building Technology)
저널정보
한국소음진동공학회 한국소음진동공학회논문집 한국소음진동공학회논문집 제27권 제1호(통권 제233호)
발행연도
2017.2
수록면
114 - 120 (7page)

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초록· 키워드

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Water supply and drainage noise in the bathroom is recognized as one of the main noises, along with the floor-impact sounds, in apartment housings. Recently, to solve such noise issues, a new construction method of installing the piping on the slab has been adopted. rather than the traditional method of penetrating the piping through the slab between the upper and the lower bathrooms. However, this new method has limitations due to high costs and constructional difficulties. Therefore, this study was conducted to develop noise reducing piping and elbows, where the noise can be reduced simply by replacing the existing pipings. The noise level was measured in a laboratory by installing the horizontal drainage piping (three types) and the elbows (three types) developed in this study. The results showed that the horizontal pipings reduced the noise level in LAmax by 0.3 dB(A) ~1.0 dB(A), as compared to the existing pipings (VG2), indicating an insignificant noise reduction effect. The elbow reduced the noise level in LAmax by 5.5 dB(A) ~ 11.5 dB(A), as compared to the existing elbow (DRF elbow), with the result of reducing the noise level at all frequencies evenly. Consequently, it was shown that using the elbows is more effective in reducing the water-drainage noise from the toilet than using the horizontal pipings.

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ABSTRACT
1. 서론
2. 실험 개요
3. 개발자재 개요
4. 개발자재 성능평가
5. 결론
References

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UCI(KEPA) : I410-ECN-0101-2017-424-002114315