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Development of Robust Design Details for Improved Acoustics in Mass Timber Construction

https://research.thinkwood.com/en/permalink/catalogue2249
Topic
Acoustics and Vibration
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Organization
Université du Québec à Chicoutimi
Country of Publication
Canada
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Acoustics and Vibration
Keywords
Model
Airborne Sound Transmission
Impact Sound Transmission
Research Status
In Progress
Notes
Project contact is Sylvain Ménard at Université du Québec à Chicoutimi
Summary
To ensure the acoustic performance of wood constructions, the research group at the Sustainable Building Institute at Napier University has established a series of proven solutions. The advantage of this approach is to provide designers with solutions that have been technically validated, thus allowing them to overcome the burden of proposing to the manufacturer an acoustic solution. The tools to develop this concept will involve an understanding of the propagation of impact and airborne noises in the main CLT building design typologies, validating the main solutions through laboratory testing and providing proven solutions. Many NRC (National Research Council of Canada) trials could have been avoided. Conducting tests is expensive, and it would be interesting to link the test results to the modeling results.
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Lateral Load Capacity in a Solid Structure Assembled with Glued-in Rods

https://research.thinkwood.com/en/permalink/catalogue2251
Topic
Connections
Application
Wood Building Systems
Organization
Université du Québec à Chicoutimi
Country of Publication
Canada
Application
Wood Building Systems
Topic
Connections
Keywords
Glued-In Rods
Lateral Load
Lateral Load Resisting System
Research Status
In Progress
Notes
Project contact is Sylvain Ménard at Université du Québec à Chicoutimi
Summary
Assemblies with glued-in rods allow architectural freedom. They are in fact invisible since they are found in the mass of the structural element. Some work has begun to document this type of assembly by considering static tests in single-sided traction and single-sided creep tests (Verdet, 2016). In order to continue this effort to specify the limits of this type of assembly, it is proposed to consider the lateral forces for assemblies with single and multiple rod connections. This project will therefore aim to document the ability of these assemblies to carry lateral loads.
Less detail