Findings from the AkuLite project [Elektronisk resurs] Correlation between measured vibro-acoustic parameters and subjective perception in lightweight buildings
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Ljunggren, Fredrik (författare)
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International Congress and Exposition on Noise Control Engineering : 15/09/2013 - 18/09/2013
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Simmons, Christian (författare)
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Hagberg, Klas (författare)
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Luleå tekniska universitet Institutionen för samhällsbyggnad och naturresurser (utgivare)
- Innsbruck 2013
- Engelska.
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Ingår i: Internoise 2013. ; 1578-1585
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Sammanfattning
Ämnesord
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- Various research aspects on sound and vibrations in lightweight buildings are covered by the Swedish research programme AkuLite. One of the most important topics has been to find out to what extent objective measured parameters correlate with subjective opinions from people living in multifamily houses. Typical questions to be pointed out are: Do existing ratings like R'w (+C50-1350) and L'n,w (+CI,50-2500) correlate well enough to the tenants' perception? Can other measureable parameters be found that show better agreement? Are the often used frequency limits of 100Hz or 50Hz low enough? Can any significant differences be seen when comparing lightweight buildings with concrete buildings? Extensive sound and vibration measurements have been performed in numerous buildings of varying construction including lightweight timber or steel based framing, cross laminated timber and concrete. In general frequencies from 20 Hz have been covered. Questionnaires have been distributed to the tenants where they were asked to give their opinion on a number of adequate questions related to sound and/or vibration perception. The results from the measurements and from the questionnaires have then been compiled, followed by a comprehensive statistical analysis in order to see the degree of correlation between them.
Ämnesord
- Engineering and Technology (hsv)
- Mechanical Engineering (hsv)
- Fluid Mechanics and Acoustics (hsv)
- Teknik och teknologier (hsv)
- Maskinteknik (hsv)
- Strömningsmekanik och akustik (hsv)
- Teknisk akustik (ltu)
- Engineering Acoustics (ltu)
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