Vibration reduction indices for junctions between cross-laminated timber floors and lightweight timber framed walls
Abstract
Cross laminated timber elements are often used as the floors and the external walls in mass timber buildings in Canada, but the internal walls of these buildings are typically lightweight timber framed walls. The calculation of the flanking transmission loss and the apparent sound transmission class for the mix of lightweight and mass timber constructions requires the laboratory measured vibration reduction indices or flanking level differences of the different flanking paths. Junctions constructed in the new four room flanking facility at the National Research Council Canada have been used to evaluate both the vibration reduction indices and the flanking level differences of a cross laminated timber floor connected to lightweight timber walls.
Reference
Jeffrey Mahn; Markus Müller-Trapet; Sabrina Skoda; Iara Batista da Cunha. (2023). Vibration reduction indices for junctions between cross-laminated timber floors and lightweight timber framed walls. INTER-NOISE and NOISE-CON Congress and Conference Proceedings. https://doi.org/10.3397/in_2023_0822
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