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논문 기본 정보

자료유형
학술저널
저자정보
Park, Hyeon Ku (Chonnam National University)
저널정보
한국생태환경건축학회 KIEAE Journal KIEAE Journal Vol.15 No.2(Wn.72)
발행연도
2015.4
수록면
61 - 67 (7page)

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Purpose: The balcony in the apartment is important space not only as a fire escape but also as a buffer for heat and sound insulation. However, with the legalization of balcony expansion for residential apartments in Korea in 2006, many households have eliminated the balcony space altogether to increase the inner space, often without sufficient consideration for the effects on the indoor environment. This study examined the sound insulation performance of exterior-facing windows in enclosed balconies and the changes in the indoor acoustic environment due to expansion to provide a basis for appropriate balcony expansion. The apartments for the field test were chosen where two balcony types can be compared, and the sound insulation performance for the eighteen balcony windows was measured. The windows installed were typical double window with thickness 16 mm or 22 mm. Measurements of the weighted standard sound pressure level difference showed a decrease of about 3 dB in sound insulation performance due to expansion. For common exterior noise levels of 70-85 dB(A), the indoor noise level can exceed 45 dB(A), the limit level regulated in Korea. However, it was found that the sound insulation performance of the window and the quality of the construction have more influence on indoor noise levels than balcony expansion itself.

목차

ABSTRACT
1. Introduction
2. Measurement and Rating Method
3. Field Measurement
4. Results and discussion
5. Conclusion
References

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