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논문 기본 정보

자료유형
학술저널
저자정보
엄춘원 (Chonnam National University) 이송미 (Chonnam National University) 김정훈 (Chonnam National University) 송은성 (Chonnam National University) 김도경 (Chonnam National University) 김수홍 (Chonnam National University) 류종관 (Chonnam National University)
저널정보
한국소음진동공학회 한국소음진동공학회논문집 한국소음진동공학회논문집 제33권 제1호(통권 270호)
발행연도
2023.2
수록면
23 - 33 (11page)
DOI
10.5050/KSNVE.2023.33.1.023

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초록· 키워드

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This study was conducted to investigate the propagation characteristics of the floor impact sound transmitted from the household where the noise of the apartment building occurred to not only the floor directly below but also to other neighboring households. The floor impact sound of a rubber ball was measured on three upper and lower floors based on the excitation floor. The single-number quantity (L"iAFmax) was reduced to 16 dB from 19 dB in the measurement compared to the floor directly below the excitation floor. Although there is a difference in floor impact Sound Pressure Level (SPL) between apartment buildings on the floor directly below the excitation floor, the final attenuated floor impact SPL was found to be similar. When each frequency band was examined, the 125 Hz band was the most attenuated, while the 500 Hz band was the least attenuated. Furthermore, the sound receiving position, excitation position, and rubber ball drop height were found to have an impact not only in the immediate lower floor but also in all upper and lower adjacent households. Overall, the amount of floor impact sound attenuation varied depending on the excitation and sound receiving position, and such characteristics were found to vary by octave band.

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ABSTRACT
1. 서론
2. 측정방법
3. 측정결과
4. 토의
5. 결론
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