
Impact noise calculations of CLT constructions using finite element
Cross-laminated timber (CLT) consists of multiple glued layers of wood, which have perpendicular orientation with respect to adjacent layers, and it has become an important building material due to its light weight, strength, and sustainability. One problem with CLT constructions is
the impact noise, which for a bare CLT floor is poor. There thus is a need for calculation tools that can predict impact noise level of such floor constructions. For composed constructions, finite element is a flexible and usable tool. However, to simulate real measurement scenarios, the force
produced by the ISO tapping machine then needs to be estimated. This paper revisits this estimation and performs calculations of the impact noise level of a CLT floor, and compares this with measured results.
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Document Type: Research Article
Affiliations: 1: Acoustic Technology, DTU Electro, Technical University of Denmark 2: Acoustic Technology, DTU Electro, Technical University of Denmark (DTU)
Publication date: 04 October 2024
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