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Conference_programme: 17.3 - Influence of construction details on sound insulation of light-weight and wooden building

Lecture: The effect of timber stud decoupling approaches on the transmission loss of double walls; a numerical study

Author(s): Knittl David, Roozen N.B., Deckers Elke, Müllner Herbert

A novel design is proposed in which timber studs are modified in order to decouple the two panels of double walls. The effect of a number of decoupling slit configurations were investigated numerically, using the finite element method. The transmission losses of the double wall configurations with slit modified timber studs were compared with the transmission loss of a double wall with non-modified, solid timber studs. Conclusions with respect to the effectiveness of the slit configurations are presented.

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Corresponding author

Name: Mr David Knittl

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Country: Austria