Impact sound insulation improvement of wooden floors on concrete slabs: A pilot study on solutions and test methods

Birgit Rasmussen, Dan Hoffmeyer, Rói Hansen

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Resumé

Improvement of impact sound insulation is one of the major challenges, when renovating housing. In Denmark, building regulations for impact sound in new-build were strengthened 5 dB in 2008, implying a main requirement L’n,w ≤ 53 dB between dwellings. The same value should also be a goal, when renovating housing. In Denmark, there are about 1 million dwellings in multi-storey housing. About half of the dwellings are built with timber floors, and the other half with wooden floors on concrete slabs, either in-situ cast or prefabricated hollow-core elements. In a project including mapping of sound insulation in the Danish housing stock and investigation of improvement possibilities, a pilot laboratory study of wooden floors on concrete was carried out. The laboratory study included impact sound improvement measurements of full-scale samples (10 m2) fulfilling the conditions in EN ISO 10140. The measurements indicated up to about 8 dB improvement potential compared to floor constructions typical before the latest change of regulations, namely wooden floors on joists on PE wedges or similar. In addition, tests of small-scale samples (1 m2) – unsuitable for type testing – were performed to provide a fast track ranking of different floor supports, giving also the opportunity to compare differences between small-scale floors with those from full-scale measurements. The paper presents results from the laboratory tests of different floor supports.
OriginalsprogEngelsk
TitelProceedings of Forum Acusticum 2014
Antal sider6
ForlagEuropean Acoustics Association - EAA
Publikationsdato2014
StatusUdgivet - 2014
BegivenhedForum Acusticum 2014 - AGH University of Science and Technology, Kraków, Polen
Varighed: 7 sep. 201412 sep. 2014
Konferencens nummer: 7

Konference

KonferenceForum Acusticum 2014
Nummer7
LokationAGH University of Science and Technology
LandPolen
ByKraków
Periode07/09/201412/09/2014
NavnForum Acusticum

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insulation
slabs
acoustics
Denmark
ranking
wedges
casts
hollow
requirements

Citer dette

Rasmussen, B., Hoffmeyer, D., & Hansen, R. (2014). Impact sound insulation improvement of wooden floors on concrete slabs: A pilot study on solutions and test methods. I Proceedings of Forum Acusticum 2014 European Acoustics Association - EAA. Forum Acusticum
Rasmussen, Birgit ; Hoffmeyer, Dan ; Hansen, Rói. / Impact sound insulation improvement of wooden floors on concrete slabs : A pilot study on solutions and test methods. Proceedings of Forum Acusticum 2014. European Acoustics Association - EAA, 2014. (Forum Acusticum).
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title = "Impact sound insulation improvement of wooden floors on concrete slabs: A pilot study on solutions and test methods",
abstract = "Improvement of impact sound insulation is one of the major challenges, when renovating housing. In Denmark, building regulations for impact sound in new-build were strengthened 5 dB in 2008, implying a main requirement L’n,w ≤ 53 dB between dwellings. The same value should also be a goal, when renovating housing. In Denmark, there are about 1 million dwellings in multi-storey housing. About half of the dwellings are built with timber floors, and the other half with wooden floors on concrete slabs, either in-situ cast or prefabricated hollow-core elements. In a project including mapping of sound insulation in the Danish housing stock and investigation of improvement possibilities, a pilot laboratory study of wooden floors on concrete was carried out. The laboratory study included impact sound improvement measurements of full-scale samples (10 m2) fulfilling the conditions in EN ISO 10140. The measurements indicated up to about 8 dB improvement potential compared to floor constructions typical before the latest change of regulations, namely wooden floors on joists on PE wedges or similar. In addition, tests of small-scale samples (1 m2) – unsuitable for type testing – were performed to provide a fast track ranking of different floor supports, giving also the opportunity to compare differences between small-scale floors with those from full-scale measurements. The paper presents results from the laboratory tests of different floor supports.",
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Rasmussen, B, Hoffmeyer, D & Hansen, R 2014, Impact sound insulation improvement of wooden floors on concrete slabs: A pilot study on solutions and test methods. i Proceedings of Forum Acusticum 2014. European Acoustics Association - EAA, Forum Acusticum, Kraków, Polen, 07/09/2014.

Impact sound insulation improvement of wooden floors on concrete slabs : A pilot study on solutions and test methods. / Rasmussen, Birgit; Hoffmeyer, Dan; Hansen, Rói.

Proceedings of Forum Acusticum 2014. European Acoustics Association - EAA, 2014. (Forum Acusticum).

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

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Rasmussen B, Hoffmeyer D, Hansen R. Impact sound insulation improvement of wooden floors on concrete slabs: A pilot study on solutions and test methods. I Proceedings of Forum Acusticum 2014. European Acoustics Association - EAA. 2014. (Forum Acusticum).