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Fire Demonstration: Cross-Laminated Timber Stair/Elevator Shaft

https://research.thinkwood.com/en/permalink/catalogue1277
Year of Publication
2015
Topic
Fire
Material
CLT (Cross-Laminated Timber)
Application
Floors
Walls
Shafts and Chases
Author
Su, Joseph
Muradori, Saša
Organization
National Research Council of Canada
Year of Publication
2015
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Application
Floors
Walls
Shafts and Chases
Topic
Fire
Keywords
Origine
Fire Resistance
Exterior Walls
Language
English
Research Status
Complete
Summary
The consortium of Nordic Wood Structures, EBC and Yvan Blouin Architect are designing a 13- storey residential building using a mass timber structure. The project, named "Origine" is proposed to be located in the eco-neighbourhood of Pointe-aux- Lièvres in Quebec City and to start construction in spring 2015. The mass timber structure would be composed primarily of glue-laminated timber and crosslaminated timber (CLT). The cross-laminated timber consists of at least three orthogonally bonded layers of solid-sawn lumber that are laminated by gluing of longitudinal and transverse layers with structural adhesives to form a solid rectangular-shaped, straight and plane timber intended for floor, roof or wall applications. The National Research Council Canada (NRC) was requested to assist in the demonstration of an alternative solution to noncombustible construction as prescribed in the Québec Construction Code [1] and the National Building Code of Canada (NBCC) [2]. Three series of fire tests were conducted at NRC to investigate: the fire endurance (fire resistance) of CLT floor and wall assemblies [3], the fire performance of a CLT exterior wall assembly [4], and the fire demonstration of a CLT stair/elevator shaft for the proposed building. This report provides the description and results of the fire demonstration for the CLT stair/elevator shaft. This fire demonstration was funded by the Government of Quebec’s Ministère des Forêts, de la Faune et des Parcs through FPInnovations.
Online Access
Free
Resource Link
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Full-Scale Mass Timber Shaft Demonstration Fire

https://research.thinkwood.com/en/permalink/catalogue3
Year of Publication
2015
Topic
Fire
Material
CLT (Cross-Laminated Timber)
Application
Shafts and Chases
Author
Dagenais, Christian
Su, Joseph
Ranger, Lindsay
Muradori, Sasa
Organization
FPInnovations
National Research Council of Canada
Year of Publication
2015
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Application
Shafts and Chases
Topic
Fire
Keywords
Type X Gypsum Board
Origine
Fire Demonstration
Language
English
Research Status
Complete
Summary
A full-scale demonstration dire was conducted at National Research Council Canada to show how a mass timber vertical shaft could withstand a severe fire exposure lasting at least two hours. The fire resistance tests and the demonstration fire were performed to support the approval and construction of a tall wood building in Quebec city; the building is planned to be 13 storeys which includes a 12-storey wood structure above a 1-storey concrete podium. An updated calculation methologody to determine the fire resistance of CLT is provided in Capter 8 (Fire) of the CLT Handbook.
Online Access
Free
Resource Link
Less detail