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Acoustic Performance of Timber and Timber-Concrete Composite Floors

https://research.thinkwood.com/en/permalink/catalogue684
Year of Publication
2014
Topic
Acoustics and Vibration
Material
LVL (Laminated Veneer Lumber)
Timber-Concrete Composite
Application
Floors
Author
Schluessel, Marc
Shrestha, Rijun
Crews, Keith
Year of Publication
2014
Country of Publication
Canada
Format
Conference Paper
Material
LVL (Laminated Veneer Lumber)
Timber-Concrete Composite
Application
Floors
Topic
Acoustics and Vibration
Keywords
New Zealand
Australia
Building Code of Australia
Sound Insulation
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 10-14, 2014, Quebec City, Canada
Summary
A major problem in light-weight timber floors is their insufficient performance coping with impact noise in low frequencies. There are no prefabricated solutions available in Australia and New Zealand. To rectify this and enable the implementation of light-weight timber floors, a structural floor was designed and built in laminated veneer lumber (LVL). The floor was evaluated in a laboratory setting based on its behaviour and then modified with suspended ceilings and different floor toppings. Twenty-nine different floor compositions were tested. The bare floor could not reach the minimum requirement set by the Building Code of Australia (BCA) but with additional layers, a sufficient result of R'w+Ctr 53 dB and L’nT,w + CI 50 dB was reached. Doubling of the concrete mass added a marginal improvement. With concrete toppings and suspended ceiling it is possible to reach the goal in airborne and impact sound insulation. The best result was achieved by combining of additional mass and different construction layers.
Online Access
Free
Resource Link
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Can Mass-Timber Construction Materials Provide Effective Thermal Capacitance in New Homes?

https://research.thinkwood.com/en/permalink/catalogue241
Year of Publication
2012
Topic
Energy Performance
Environmental Impact
Application
Wood Building Systems
Author
Dewsbury, Mark
Geard, Detlev
Fay, Roger
Organization
International Building Performance Simulation Association
Year of Publication
2012
Country of Publication
China
Format
Conference Paper
Application
Wood Building Systems
Topic
Energy Performance
Environmental Impact
Keywords
Australia
Building Code
Building Code of Australia
Carbon
Climate Change
Codes
Embodied Energy
Mass Timber
Thermal
Language
English
Conference
ASim 2012
Research Status
Complete
Notes
November 25-27, 2012, Shanghai, China
Summary
There has been no research to date exploring whether timber products can provide effective thermal capacitance in residential or commercial construction. This research is exploring the use of unique mass-timber products to provide a new form of thermal performance capacitance within the built fabric of new and existing homes. The development of mass timber products is a new paradigm in material and building science research in Australia, requiring the accounting for carbon emissions, carbon sequestration, material embodied energy and material thermal properties for this renewable resource. This paper focuses on the results from preliminary building simulation studies encompassing house energy rating simulations and a comparative analysis of embodied energy and carbon storage for a series of house plans in Australia.
Online Access
Free
Resource Link
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Cross Laminated Timber Acoustic Performance Research

https://research.thinkwood.com/en/permalink/catalogue1935
Year of Publication
2018
Topic
Acoustics and Vibration
Material
CLT (Cross-Laminated Timber)
Application
Floors
Walls
Author
Dunn, Andrew
Publisher
Forest & Wood Products Australia
Year of Publication
2018
Country of Publication
Australia
Format
Report
Material
CLT (Cross-Laminated Timber)
Application
Floors
Walls
Topic
Acoustics and Vibration
Keywords
Mid-Rise
Sound Insulation
Australia
NCC
Building Code of Australia
Language
English
Research Status
Complete
Online Access
Free
Resource Link
Less detail