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Variations in sound insulation in multi-storey lightweight timber constructions
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
2009 (English)In: 38th International Congress and Exposition on Noise Control Engineering 2009: INTER-NOISE 2009 ; Ottawa, Canada, 23 - 26 August 2009 / [ed] J. Stuart Bolton, Red Hook, NY: Curran Associates, Inc., 2009, 315-323 p.Conference paper (Refereed)
Abstract [en]

By using industrialized building, pre-installed modules can be delivered to the construction site where they are easily mounted. This method has many advantages compared to on-site manufacturing. In general, the variability of sound insulation is large in lightweight constructions. The reasons behind this variability are not known and therefore the construction is over-dimensioned to make sure the requirements are met. If the causes of this variability can be found and controlled, the production cost will be reduced and the sound quality improved. This is possible, since much of the construction takes place under controlled circumstances. Field measurements of 31 apartments in a four-storey building have been made. Both airborne and impact sound insulation were measured. The apartments on the highest floor achieved significantly better sound insulation. This is an indication that preload is a factor which contributes to high flanking transmission. The structural coupling between modules will therefore be studied in depth. This paper will present the results from the measurements and propose further research.

Place, publisher, year, edition, pages
Red Hook, NY: Curran Associates, Inc., 2009. 315-323 p.
Research subject
Engineering Acoustics
URN: urn:nbn:se:ltu:diva-34212Local ID: 85899860-bd64-11de-b769-000ea68e967bISBN: 978-1-615-67690-3OAI: diva2:1007462
International Congress and Exposition on Noise Control Engineering : 23/08/2009 - 26/08/2009
Godkänd; 2009; 20091020 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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Öqvist, RikardLjunggren, FredrikÅgren, Anders
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