Analysis on structure-borne sound transmission at junctions of solid wood double walls with continuous floors

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Proceedings title7th Forum Acusticum 2014
Conference7th Forum Acusticum 2014, September 7-12 2014, Krakow, Poland
AbstractStructure-borne sound transmission across a cross-junction of double solid timber walls with a solid timber floor was analyzed in a recent research project. Both, the double walls as well as floor slab, were of so-called Cross Laminated Timber (CLT). The floor slab was continuous across the junction for structural reasons and thus, formed a sound bridge between the elements of the double wall. To gain a better understanding of the contributions of sound transmission between the wall and floor elements from the different possible paths, a thorough analysis was conducted. Hereby, direct sound transmission through, and radiation efficiencies of, the CLT elements were measured in a direct sound transmission facility; as well as, structure-borne sound transmission between CLT elements was measured on a junction mock-up. The experimental data was used as in-put data and for validation of the engineering model of EN 12354/ISO 15712 for the prediction of flanking sound insulation in buildings. The test procedures, analysis and results of this research project are presented here.
Publication date
PublisherEuropean Acoustics Association
AffiliationNational Research Council Canada; Construction
Peer reviewedYes
NPARC number23000182
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Record identifierdb389fe1-0151-4159-b21d-c1dcaff43d43
Record created2016-06-16
Record modified2017-04-05
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