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Development of Cross-Laminated Timber (CLT) Products from Stress Graded Canadian Hem-Fir

https://research.thinkwood.com/en/permalink/catalogue2595
Year of Publication
2020
Topic
Design and Systems
Material
CLT (Cross-Laminated Timber)
Author
Wei, Peixing
Wang, Brad
Li, Zhong
Ju, Ronghua
Year of Publication
2020
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Topic
Design and Systems
Keywords
Hem-Fir
Modulus of Elasticity
Modulus of Rupture
Stress-Graded Lumber
Language
English
Research Status
Complete
Series
Wood Research
Summary
To explore the feasibility of hem-fir for CLT products, this work addressed the exploratory and pilot plant studies of hem-fir cross-laminated timber (CLT) products through mechanical tests. The hem-fir lumber was procured and then stress-graded based on dynamic modulus of elasticity (MOE). The resulted 5-ply prototype CLT products were then tested non-destructively and 3-ply pilot plant hem-fir CLT was tested destructively. The results showed that bending performance of hem-fir CLT panel can be predicted. Considering cost-competitiveness and end applications of hem-fir CLT products, the panel structure can be optimized based on the stress-graded data of hem-fir lumber.
Online Access
Free
Resource Link
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Development of Design Values for Hem-Fir Cross-Laminated Timber

https://research.thinkwood.com/en/permalink/catalogue116
Year of Publication
2015
Topic
Mechanical Properties
Material
CLT (Cross-Laminated Timber)
Application
General Application
Author
Pirvu, Ciprian
Organization
FPInnovations
Year of Publication
2015
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Application
General Application
Topic
Mechanical Properties
Keywords
Hem-Fir
Visually graded
Machine Stress Rated
Durability
Bondlines
Canada
US
Language
English
Research Status
Complete
Summary
The North American product standard for performance-rated cross-laminated timber (CLT), ANSI/APA PRG 320, was published in 2012. The standard recognizes the use of all major Canadian and US softwood species groups for CLT manufacturing and provides design...
Online Access
Free
Resource Link
Less detail

Moisture Response of Wall Assemblies of Cross-Laminated Timber Construction in Cold Canadian Climates

https://research.thinkwood.com/en/permalink/catalogue143
Year of Publication
2012
Topic
Serviceability
Moisture
Material
CLT (Cross-Laminated Timber)
Application
Walls