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자료유형
학술대회자료
저자정보
연준오 (한국건설기술연구원) 김경우 (한국건설기술연구원) 최현중 (한국건설기술연구원) 양관섭 (한국건설기술연구원) 김경호 (KCC)
저널정보
한국소음진동공학회 한국소음진동공학회 학술대회논문집 한국소음진동공학회 2012년도 추계학술대회 논문집
발행연도
2012.10
수록면
280 - 285 (6page)

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The 1st assessment (performance test) was applied to assure the floor impact sound performance for developing the dry double- floor with the change of rubber hardness of the upper panel"s support and the ceiling structure of the sub-floor. Depends on the change of the rubber hardness in substructure, the heavy-weight sound impact value is improved up to 3 dB, and the light-weight sound impact value is moved up to 21 dB, comparing with the bare-slab. Also, the improved value for the floor impact sound conjugating with the sub-floor"s ceiling was 5dB. Based on this result, the 2nd assessment (performance test) was made the state that the rubber hardness of the sub-floor support was ranged between 50 and 70 for considering the stability of walking patients. In addition to this process, the assessment was carried out with a variety of ceiling structure applied to the dry doublefloor structure with the air flow system on the sub-floor"s ceiling. The result for the 2nd assessment proved that TYPE-11 had the better sound reduction performance in the heavy-weight impact sound test than other types, and also for the light-weight impact sound TYPE-11 had the 29 dB sound reduction performance overall. Henceforth, based on the result the research for the sound reduction performance from the floor impact sound shall be ongoing process as well as the development of a double-dry floor and a sound reduction ceiling to suitable on the field.

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ABSTRACT
1. 서론
2. 실험 개요
3. 측정결과
4. 결론
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