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Analysis Effects of Perforated Gypsum Board Ceiling Structure for Floor Impact Sound Reduction
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타공형 석고보드 천장적용에 따른 중량충격음 저감 효과분석

논문 기본 정보

Type
Academic journal
Author
Hye Kyung Shin (Korea Institute of Civil Engineering and Building Technology) Kyoung Woo Kim (Korea Institute of Civil Engineering and Building Technology)
Journal
Korean Society for Noise and Vibration Engineering(KSNVE) Transactions of the Korean Society for Noise and Vibration Engineering Vol.29 No.4(Wn.249) KCI Accredited Journals
Published
2019.8
Pages
511 - 517 (7page)
DOI
10.5050/KSNVE.2019.29.4.511

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Analysis Effects of Perforated Gypsum Board Ceiling Structure for Floor Impact Sound Reduction
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Abstract· Keywords

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As the number of old apartments increases, a method that reduces heavy weight floor impact sound during remodeling or repair work needs to be developed. Generally, apartment ceilings are constructed using gypsum boards with an air layer approximately 170 mm to 200 mm from the bottom slab. This air layer causes amplification of heavy impact sound in the 63 Hz ~ 125 Hz frequency band. In this study, to reduce amplification of sound, a ceiling structure composed of sound-absorbing material and perforated gypsum boards is used. For optimal design, the sound-absorbing performance of ceiling constructs are tested. Moreover, the selected ceiling structure is constructed for a laboratory similar to an apartment house to verify heavy-weight impact sound insulation performance. The experimental results show that sound was reduced by 2.6 dB at 63 Hz and by 0.7 dB at 125 Hz. For a rubber ball, it was reduced by 1.8 dB at 63 Hz and by 1.6 dB at 125 Hz. Single number quantity(L<SUB>i,Fmax,AW</SUB>) is reduced bang machine by 1 dB and rubber ball by 2 dB.
#Floor Impact Sound(바닥충격음) #Perforated Gypsum Board(타공 석고보드) #Ceiling Structure (천장구조) #Sound Absorption Coefficient(흡음계수)

Contents

ABSTRACT
1. 서론
2. 흡음계수
3. 바닥충격음 차단성능
4. 결론
References

References (10)

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Smith, S., Wood, J. B., Mackenzie, R. and Patricio, J., 2006, Housing and Sound Insulation Improving Existing Attached Dwelling and Designing for Conversions, Building Performance Center, Napier University, 4.7. google schola Simons, M. W. and Waters, J. R., 2004, Sound Control in Buildings: A Guide to Part E of the Building Regulations, Blackwell Publishing, pp. 119~129. google schola Architectural Institute of Japan, 2009, Isolation Design of Floor Impact Sound in Building, Gibodo Press, pp. 63~66. google schola Kim, K. H., 2013, Reduction Method of Interlayer Noise Through Improved Ceiling Structure, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 23, No. 3, pp. 26~29. google schola Ryu, J. K., Song, H. S. and Kim, Y. H., 2018, Effect of the Suspended Ceiling with Low-frequency Resonant Panel Absorber on Heavyweight Floor Impact Sound in the Building, Building and Environment, Vol. 139, pp. 1~7. google schola

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