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Hem-Fir Mass Timber Research Report

https://research.thinkwood.com/en/permalink/catalogue2531
Year of Publication
2020
Topic
Market and Adoption
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
DLT (Dowel Laminated Timber)
NLT (Nail-Laminated Timber)
Organization
Ference & Company
Year of Publication
2020
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
DLT (Dowel Laminated Timber)
NLT (Nail-Laminated Timber)
Topic
Market and Adoption
Keywords
Mass Timber
Research
Regulatory Factors
Technical Factors
Market Factors
Language
English
Research Status
Complete
Summary
The purpose of the study is to evaluate and summarize any technical or other impediments to using hem-fir in mass timber products. The different mass timber products included in the study are cross-laminated timber (CLT), glue-laminated timber (glulam), dowel-laminated timber (DLT) and nail-laminated timber (NLT).
Online Access
Free
Resource Link
Less detail

Literature Survey on Nail-Laminated Timber and Box Beam

https://research.thinkwood.com/en/permalink/catalogue1210
Year of Publication
2017
Topic
Design and Systems
Market and Adoption
Material
NLT (Nail-Laminated Timber)
Application
Beams
Author
Ni, Chun
Karacabeyli, Erol
Organization
FPInnovations
Year of Publication
2017
Country of Publication
Canada
Format
Report
Material
NLT (Nail-Laminated Timber)
Application
Beams
Topic
Design and Systems
Market and Adoption
Keywords
Box Beams
Mechanical Joints
CSA 086
Language
English
Research Status
Complete
Summary
Nail-Laminated Timber (NLT) and box beam are efficient and economical engineered wood products. Although NLT has been used in North America for more than a century, only in recent years it has gained renewed interests as they have been seen as the most economical panel products used in mass timber buildings. Box beams, on the other hand, are lightweight and generally possess higher strength and stiffness than comparable-sized solid timber and are more efficient than solid timber large spans and loads. In this report, existing design provisions and their limitations for the design and construction of NLT in box beam in Canadian standards are reviewed. For NLT, there is a general lack of information related to manufacturing, design and construction to ensure consistent manufacturing and installation practices. Therefore, it is difficult to research and document with confidence the full range of performance that can be achieved with NLT. It is therefore recommended that a North American product standard and design information on structural performance, floor vibration, fire resistance, acoustic performance, and construction risk mitigation measures (e.g. moisture and fire) be developed. In CSA 086, design methods are limited to box beams with flanges and webs bonded with glue. As the flanges and webs of a box beam can be assembled by either glue or mechanical fasteners, it is recommended that design provisions for box beam with mechanical joints be also developed. With the information in Eurocode 5 and relevant supporting research papers, it is ready to be implemented.
Online Access
Free
Resource Link
Less detail

Solid Timber Construction: Process, Practice, Performance

https://research.thinkwood.com/en/permalink/catalogue974
Year of Publication
2015
Topic
Market and Adoption
Cost
Design and Systems
Site Construction Management
Material
CLT (Cross-Laminated Timber)
DLT (Dowel Laminated Timber)
Glulam (Glue-Laminated Timber)
LVL (Laminated Veneer Lumber)
NLT (Nail-Laminated Timber)
PSL (Parallel Strand Lumber)
Application
Wood Building Systems