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Assessing The Flammability of Mass Timber Components: A Review

https://research.thinkwood.com/en/permalink/catalogue87
Year of Publication
2014
Topic
Fire
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
LSL (Laminated Strand Lumber)
LVL (Laminated Veneer Lumber)
PSL (Parallel Strand Lumber)
Application
Wood Building Systems
Author
Mehaffey, Jim
Dagenais, Christian
Organization
FPInnovations
Year of Publication
2014
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
LSL (Laminated Strand Lumber)
LVL (Laminated Veneer Lumber)
PSL (Parallel Strand Lumber)
Application
Wood Building Systems
Topic
Fire
Keywords
National Building Code of Canada
Flame Spread
Model
Cone Calorimeter Testing
Buildings
Language
English
Research Status
Complete
Summary
This report begins with a discussion of the mechanisms of flame spread over combustible materials while describing the NBCC prescriptive solutions that establish the acceptable fire performance of interior finish materials. It is noted that while flame spread ratings do give an indication of the fire performance of products in building fires, the data generated are not useful as input to fire models that predict fire growth in buildings. The cone calorimeter test is then described in some detail. Basic data generated in the cone calorimeter on the time to ignition and heat release rates are shown to be fundamental properties of wood products which can be useful as input to fire models for predicting fire growth in buildings. The report concludes with the recommendation that it would be useful to run an extensive set of cone calorimeter tests on SCL, glue-laminated timber and CLT products. The fundamental data could be most useful for validating models for predicting flame spread ratings of massive timber products and useful as input to comprehensive computer fire models that predict the course of fire in buildings. It is also argued that the cone calorimeter would be a useful tool in assessing fire performance during product development and for quality control purposes.
Online Access
Free
Resource Link
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A New Approach to Classify the Degree of Combustibility of Materials

https://research.thinkwood.com/en/permalink/catalogue2257
Topic
Fire
Organization
Université Laval
Country of Publication
Canada
Topic
Fire
Keywords
Fire Safety
Combustion Properties
Heat Flux
Numerical Modeling
Cone Calorimeter Testing
Flame Spread
Research Status
In Progress
Notes
Project contact is Christian Dagenais at Université Laval
Summary
The use of materials in a building is traditionally determined from its combustibility (via ULC S114 or ULC S135) and by its flame propagation index (via ULC S102). The ULC S102 Flame Spread Test, developed in 1943, has historically reduced risk through its method of classifying materials. However, this test does not provide quantitative information on the combustion properties of materials, such as heat flow. The latter is one of the most important variables in the development of a fire. Thus, a new approach would be preferable in order to review the classification of materials according to ULC S102 and ULC S135 (cone calorimeter). The objective of this project is to develop a new approach to classifying materials based on cone calorimeter test results. These results can subsequently be used in numerical modeling as part of a fire safety engineering design. A significant amount of cone calorimeter (ULC S135) testing of materials currently evaluated according to ULC S102 will be required.
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Solutions for Mid-Rise Wood Construction: Cone Calorimeter Results for Acoustic Membrane Materials Used in Floor Assemblies (Report to Research Consortium for Wood and Wood-Hybrid Mid-Rise Buildings)

https://research.thinkwood.com/en/permalink/catalogue1951
Year of Publication
2014
Topic
Acoustics and Vibration
Material
Light Frame (Lumber+Panels)
Application
Floors