지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.2
- 수록면
- 51 - 61 (11page)
- DOI
- 10.21086/ksles.2014.02.21.1.51
이용수
이 논문의 연구 히스토리 (4)
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초록· 키워드
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The aim of this study is to investigate the sound attenuation of the fire alarm signals in the dwelling units of apartment buildings. Two field measurements were carried out. The first measurements were examined the sound attenuation from the common corridors to the bedrooms(main room). There were conducted under two volume conditions which were generated about 90 dBA and 115 dBA in common corridor using fire alarm bell. In the second measurements, the sound attenuation from the living rooms to the bedrooms were investigated. There were performed that a total of six alarm signals such as fire alarm bell, buzzer, reverse alarm, slow whoop, T-3 and white noise were used and they were generated about 90 dBA in living rooms. The results of the first measurements showed that the A-weighted SPLs in bedrooms were 38.1 - 46.8 dBA when the fire alarm bell was generated 115 dBA. Moreover, the SPLs indicated 21.4-30.2 when it was generated 90 dBA. It was confirmed that fire alarm device located in corridor was not invalid compared to the minimum sound level of 75 dBA. The results of second measurements presented that the SPLs were approximately increased by 36 dBA with only moving fire alarm device from corridor to living room. Moreover, the T-3 alarm signal had a high level at 500 Hz and was relatively low the sound attenuation between the living rooms and the bedrooms compared to the six alarm sources. In this study, therefore, it was determined that T-3 was best source in term of the sound propagation. However, SPLs by all alarm signals still did not satisfy 75 dBA in bedrooms.
목차
Abstract
1. 서론
2. 측정 개요
3. 측정 결과
4. 논의 및 향후연구
5. 결론
REFERENCES
참고문헌 (21)
참고문헌 신청
1. [기타자료] - British Standards Institution / 2002 / Fire detection and fire alarm system for buildings, BS 5839: Part 1
2. [학술지(정기간행물)] - Bruck, D. / 2007 / Optimizing emergency awakening to audible smoke alarm : an update / Human Factors : The Journal of the Human Factors and Ergonomics Society 49 (4) : 585 ~ 601
3. [학술지(정기간행물)] - Chatillon, Jacques. / 2007 / Influence of source directivity on noise levels in industrial halls : Simulation and experiments / Applied Acoustics 68 (6) : 682 ~ 698
4. [학술지(정기간행물)] - Kahn, M. J. / 1984 / Human awakening and subsequent identification of fire-related cues / Fire Technology 20 (1) : 20 ~ 26
5. [기타자료] - Korean Industrial Standard / 2001 / Field measurements of airborne sound insulation of buildings; KS F 2809 (ISO 140-4: 1998)
2. [학술지(정기간행물)] - Bruck, D. / 2007 / Optimizing emergency awakening to audible smoke alarm : an update / Human Factors : The Journal of the Human Factors and Ergonomics Society 49 (4) : 585 ~ 601
3. [학술지(정기간행물)] - Chatillon, Jacques. / 2007 / Influence of source directivity on noise levels in industrial halls : Simulation and experiments / Applied Acoustics 68 (6) : 682 ~ 698
4. [학술지(정기간행물)] - Kahn, M. J. / 1984 / Human awakening and subsequent identification of fire-related cues / Fire Technology 20 (1) : 20 ~ 26
5. [기타자료] - Korean Industrial Standard / 2001 / Field measurements of airborne sound insulation of buildings; KS F 2809 (ISO 140-4: 1998)
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