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Cross-Laminated Timber Floor: Analysis of the Acoustic Properties and Radiation Efficiency

https://research.thinkwood.com/en/permalink/catalogue3018
Year of Publication
2022
Topic
Acoustics and Vibration
Material
CLT (Cross-Laminated Timber)
Application
Floors
Author
Granzotto, Nicola
Marzi, Arianna
Gasparella, Andrea
Organization
Free University of Bozen
Editor
Vasques, César M. A.
Publisher
MDPI
Year of Publication
2022
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Application
Floors
Topic
Acoustics and Vibration
Keywords
Acoustic Characterization
Sound Radiation Efficiency
Research Status
Complete
Series
Applied Sciences
Summary
Cross-Laminated Timber (CLT) is a building technology that is becoming increasingly popular due to its sustainable and eco-friendly nature, as well as its availability. Nevertheless, CLT presents some challenges, especially in terms of impact noise and airborne sound insulation. For this reason, many studies focus on the vibro-acoustic behavior of CLT building elements, to understand their performance, advantages and limitations. In this paper, a 200 mm CLT floor has been characterized in the laboratory, according to ISO standards, by three noise sources: dodecahedron, standard tapping machine and rubber ball. In order to understand the vibro-acoustic behavior of the CLT floor, measurements through the analysis of sound pressure levels and velocity levels, measured by dedicated sensors, were performed. Analysis was carried out in order to understand what is prescribed by the prediction methods available in the literature and by the simulation software. Then, a specific prediction law for the CLT floor under investigation was derived. Finally, an analysis on sound radiation index is provided to complete the vibro-acoustic study.
Online Access
Free
Resource Link
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Radiation Efficiency Of Cross Laminated Timber Panels By Finite Element Modelling

https://research.thinkwood.com/en/permalink/catalogue2422
Year of Publication
2019
Topic
Acoustics and Vibration
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Walls
Floors
Author
Zhou, Jianhui
Publisher
Canadian Acoustical Association
Year of Publication
2019
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Walls
Floors
Topic
Acoustics and Vibration
Keywords
Finite Element Modelling
Abaqus
Sound Radiation Efficiency
Boundary Conditions
Research Status
Complete
Series
Journal of the Canadian Acoustical Association
Online Access
Free
Resource Link
Less detail