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Force Modification Factors for Cross Laminated Timber Buildings

https://research.thinkwood.com/en/permalink/catalogue363
Year of Publication
2012
Topic
Seismic
Market and Adoption
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Pei, Shiling
Popovski, Marjan
van de Lindt, John
Organization
FPInnovations
Year of Publication
2012
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Seismic
Market and Adoption
Keywords
Performance-Based Seismic Design
Canada
US
Force Modification Factors
Mid-Rise
Language
English
Research Status
Complete
Summary
European experience shows that Cross-Laminated Timber (CLT) can be competitive in mid-rise and high-rise buildings. Although this system has not been used to the same extent so far in North America, it can be viable wood structural solution for the shift towards sustainable...
Online Access
Free
Resource Link
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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
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