Vibration and Floor Impact Sound Isolation Performance in Bubble Deck Slab

The bubble deck slab has been applied to various buildings due to many advantages including the slab load alleviation and structural stability. The bubble deck slab should not only ensure structural stability but also satisfy the performance standards of floor impact sound required legally to be app...

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Bibliographic Details
Published in:Key engineering materials 2018-08, Vol.777, p.523-527
Main Authors: Shin, Hye Kyung, Chung, Jin Yun, Kim, Kyoung Woo, Park, Jong-Young
Format: Article
Language:English
Subjects:
Apartments
Bubbles
Civil engineering
Construction
Decks
Floors
Households
Insulation
Investigations
Load alleviation
Low frequencies
Performance standards
Resonant frequencies
Sound
Structural stability
Vibration measurement
Weight
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Summary:The bubble deck slab has been applied to various buildings due to many advantages including the slab load alleviation and structural stability. The bubble deck slab should not only ensure structural stability but also satisfy the performance standards of floor impact sound required legally to be applied to apartments. This study investigated the characteristics of reduction in vibration and floor impact sound in apartments where the bubble deck slab was applied. The measurement results of vibration characteristics showed that the bubble deck slab had a similar natural frequency with that of the solid slab from a frequency (each of 16.7 Hz and 11.1 Hz) where the first mode was formed but the vibration level of the bubble deck slab at the low frequency band (80 Hz or lower), which was affected by the heavy-weight impact sound, was relatively smaller than that of the solid slab. The bubble deck slab showed a comparable or better performance in the insulation of the floor impact sound compared to that of the solid slab.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.777.523