Analysis on Correlation among Evaluation Indexes of Heavyweight Impact Sound in Apartment Buildings

Kyoung Woo Kim; Kwan Seop Yang

doi:10.4028/www.scientific.net/AMM.873.225

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 873Analysis on Correlation among Evaluation Indexes...

Analysis on Correlation among Evaluation Indexes of Heavyweight Impact Sound in Apartment Buildings

Abstract:

Floor impact sound is one noise in apartment houses that cannot be avoided. Heavyweight impact sound can be evaluated by three indexes: a method using reverse-A curve (Li,Fmax,Aw), A-weighted sound level (LiA,Fmax), and the method of the arithmetic mean of measured frequencies (Li,Favg,Fmax). The present study divided slab thickness in apartments into two groups on the basis of 210 mm thickness. Their correlations with the three indexes were then analyzed. Among the three indexes, a determination coefficient (R2=0.97) between the index using reverse-A curve and dB(A) index was the highest. The analysis result of the correlation between the three indexes and frequencies (63 Hz, 125 Hz, 250 Hz) revealed that a correlation with the 63 Hz was the highest although the result was somewhat different depending on data group and index.

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Periodical:

Applied Mechanics and Materials (Volume 873)

Pages:

225-230

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.873.225

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Online since:

November 2017

Authors:

Kyoung Woo Kim*, Kwan Seop Yang

Keywords:

Bang Machine, Correlation Analysis, Evaluation Indexes, Heavyweight Impact Sound

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* - Corresponding Author

References

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