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Sound insulation performance of elevator shaft walls built with nail-laminated timber panels - Exploratory tests and preliminary results

https://library.fpinnovations.ca/en/permalink/fpipub40172
Author
Pirvu, Ciprian
Date
March 2016
Material Type
Research report
Field
Sustainable Construction
Author
Pirvu, Ciprian
Contributor
Natural Resources Canada. Canadian Forest Service
Date
March 2016
Material Type
Research report
Physical Description
28 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Advanced Wood Materials
Subject
Building construction
Laminate product
Performance
Wood frame
Series Number
Midrise Wood Frame Construction
Taller and Larger Wood Buildings
W3296
Location
Vancouver, British Columbia
Language
English
Abstract
As 6-storey wood-frame, massive-timber and hybrid wood buildings are increasingly accepted by more jurisdictions across Canada, there is a need to develop reliable elevator shaft designs that meet the minimum structural, fire, and sound requirements in building codes. Elevator shaft walls constructed with wood-based materials have the advantages of material compatibility, use of sustainable materials, and ease of construction. In this exploratory study, selected elevator shaft wall designs built with nail-laminated-timber (NLT) structural elements were tested to investigate their sound insulation performance because little is known about the sound insulation performance of such wall assemblies. The tests were carried out in an acoustic mock-up facility in accordance to standard requirements, and provide preliminary data on the sound insulation performance of elevator shaft walls built with NLT panels. Four different elevator shaft walls built with NLT panels were tested and their measured apparent sound insulation class (ASTC) ratings ranged from 18 to 39 depending on their construction details. Some of the reasons that may have contributed to the ASTC ratings obtained for the elevator shaft walls described in this report as well as recommendations for future designs were provided. It is recommended to continue improving the sound insulation of elevator shaft walls built with NLT panels to meet or exceed the minimum requirements in building codes.
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