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http://dx.doi.org/10.5050/KSNVN.2005.15.4.465

Floor Impact Sound Isolation Performance by Composition of Ceiling and Wall  

Kim Kyoung-Woo (한국건설기술연구원)
Kang Jea-Sik (한국건설기술연구원)
Lee Seung-Eon (한국건설기술연구원)
Yang Kwan-Seop (한국건설기술연구원)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.15, no.4, 2005 , pp. 465-473 More about this Journal
Abstract
The impact sounds, generated by the walking of people, the dropping of an object or the moving of furniture, can be a source of great annoyance in residential buildings. The characteristics and level of this impact noise depends on the object striking the floor, on the basic structure of the floor, and on the finish materials of floor. The focus of this paper is to investigate the amount of improvement impact sound pressure level according to the change of the composition method of ceiling and wall. For this purpose, we tested impact sound pressure level of several cases which is the inserting of mineral wool, the increase of the thickness of air layer, the using of anti-vibration rubber in ceiling and attach the mineral wool on wall in the Floor Impact Sound Test Building of KICT. The results show that the composition method of ceiling and wall is more effective in the reduction of light weight impact sound specially in 125Hz and 250Hz.
Keywords
Floor Impact Sound; Floor Impact Sound Test Building; Composition of Ceiling and Wall;
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