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Fire Performance of Mass Timber

https://research.thinkwood.com/en/permalink/catalogue2824
Year of Publication
2021
Topic
Fire
Material
CLT (Cross-Laminated Timber)
DLT (Dowel Laminated Timber)
Glulam (Glue-Laminated Timber)
NLT (Nail-Laminated Timber)
LVL (Laminated Veneer Lumber)
Application
Wood Building Systems
Author
Dagenais, Christian
Ranger, Lindsay
Organization
FPInnovations
Year of Publication
2021
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
DLT (Dowel Laminated Timber)
Glulam (Glue-Laminated Timber)
NLT (Nail-Laminated Timber)
LVL (Laminated Veneer Lumber)
Application
Wood Building Systems
Topic
Fire
Keywords
Fire Resistance
CSA 086
National Design Specifications for Wood Construction (NDSR)
Fire Test
Fire Stopping
Connections
Insurance
Mass Timber
Language
English
Research Status
Complete
Series
InfoNote
Summary
This InfoNote summarizes recent research and work in progress. A significant amount of fire research has been conducted on mass timber over the last 10 years in Canada. This has supported the successful design and construction of numerous low-, mid-and even high-rise wood buildings. This has also fostered the introduction of new provisions into the National Building Code of Canada which has made wood and mass timber construction more accessible. However, the fire performance of these systems remains a concern for many potential occupants or owners of these buildings, not to mention building officials and fire departments. Research at FPInnovations continues to support designers and builders in the use of mass timber assemblies by ensuring fire safe designs.
Online Access
Free
Resource Link
Less detail

From Canada to the World: FPInnovations' Three-Generation Floor Vibration Research and Code Implementation

https://research.thinkwood.com/en/permalink/catalogue2826
Year of Publication
2021
Topic
Acoustics and Vibration
Material
CLT (Cross-Laminated Timber)
Light Frame (Lumber+Panels)
Application
Floors
Author
Hu, Lin
Cuerrier-Auclair, Samuel
Qian, Cheng
Dale, Angela
Organization
FPInnovations
Year of Publication
2021
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Light Frame (Lumber+Panels)
Application
Floors
Topic
Acoustics and Vibration
Keywords
Lumber Joists
Engineered Wood Joists
Mass Timber
Floor Vibration-controlled Design Method
CSA 086
National Building Code of Canada
Language
English
Research Status
Complete
Series
InfoNote
Summary
FPInnovations’involvementinvarious codes and standards technical committeesaimsto monitor, contributeor propose changes for improvement as well as to create new standards to include new wood products and systems based on knowledge developed from FPInnovations’ research activities. Involvement also allows FPInnovations to be aware of any potential changes to codes and standards and to recognize and address threats and opportunities for wood use. Codes and standards exist to protect consumers but are written to reflect the current practices and knowledge based on a consensus agreement by committee members. FPInnovations’ involvement in codes and standards committees helps to align the coming changes with new wood products. This InfoNote reports on FPInnovations’ contribution to the floor vibration-control design methods on codes and standards implementation and research.
Online Access
Free
Resource Link
Less detail

Mass Timber Building Science Primer

https://research.thinkwood.com/en/permalink/catalogue2797
Year of Publication
2021
Topic
Design and Systems
Moisture
Fire
Acoustics and Vibration
General Information
Connections
Market and Adoption
Serviceability
Material
CLT (Cross-Laminated Timber)
DLT (Dowel Laminated Timber)
Glulam (Glue-Laminated Timber)
NLT (Nail-Laminated Timber)
Application
Wood Building Systems
Author
Kesik, Ted
Martin, Rosemary
Organization
Mass Timber Institute
RDH Building Science
Publisher
Mass Timber Institute
Year of Publication
2021
Country of Publication
Canada
Format
Book/Guide
Material
CLT (Cross-Laminated Timber)
DLT (Dowel Laminated Timber)
Glulam (Glue-Laminated Timber)
NLT (Nail-Laminated Timber)
Application
Wood Building Systems
Topic
Design and Systems
Moisture
Fire
Acoustics and Vibration
General Information
Connections
Market and Adoption
Serviceability
Keywords
Mass Timber
Building Science
Language
English
Research Status
Complete
Summary
The development of this primer commenced shortly after the 2018 launch of the Mass Timber Institute (MTI) centered at the University of Toronto. Funding for this publication was generously provided by the Ontario Ministry of Natural Resources and Forestry. Although numerous jurisdictions have established design guides for tall mass timber buildings, architects and engineers often do not have access to the specialized building science knowledge required to deliver well performing mass timber buildings. MTI worked collaboratively with industry, design professionals, academia, researchers and code experts to develop the scope and content of this mass timber building science primer. Although provincially funded, the broader Canadian context underlying this publication was viewed as the most appropriate means of advancing Ontario’s nascent mass timber building industry. This publication also extends beyond Canada and is based on universally applicable principles of building science and how these principles may be used anywhere in all aspects of mass timber building technology. Specifically, these guidelines were developed to guide stakeholders in selecting and implementing appropriate building science practices and protocols to ensure the acceptable life cycle performance of mass timber buildings. It is essential that each representative stakeholder, developer/owner, architect/engineer, supplier, constructor, wood erector, building official, insurer, and facility manager, understand these principles and how to apply them during the design, procurement, construction and in-service phases before embarking on a mass timber building project. When mass timber building technology has enjoyed the same degree of penetration as steel and concrete, this primer will be long outdated and its constituent concepts will have been baked into the training and education of design professionals and all those who fabricate, construct, maintain and manage mass timber buildings. One of the most important reasons this publication was developed was to identify gaps in building science knowledge related to mass timber buildings and hopefully to address these gaps with appropriate research, development and demonstration programs. The mass timber building industry in Canada is still a collection of seedlings that continue to grow and as such they deserve the stewardship of the best available building science knowledge to sustain them until such time as they become a forest that can fend for itself.
Online Access
Free
Resource Link
Less detail

Mass Timber Design Manual

https://research.thinkwood.com/en/permalink/catalogue2780
Year of Publication
2021
Topic
Acoustics and Vibration
Connections
Cost
Design and Systems
Energy Performance
Environmental Impact
Fire
General Information
Moisture
Material
CLT (Cross-Laminated Timber)
DLT (Dowel Laminated Timber)
Glulam (Glue-Laminated Timber)
NLT (Nail-Laminated Timber)
Application
Wood Building Systems
Organization
WoodWorks
Think Wood
Year of Publication
2021
Country of Publication
United States
Format
Book/Guide
Material
CLT (Cross-Laminated Timber)
DLT (Dowel Laminated Timber)
Glulam (Glue-Laminated Timber)
NLT (Nail-Laminated Timber)
Application
Wood Building Systems
Topic
Acoustics and Vibration
Connections
Cost
Design and Systems
Energy Performance
Environmental Impact
Fire
General Information
Moisture
Keywords
Mass Timber
United States
Building Systems
Tall Wood
Sustainability
IBC
Applications
Language
English
Research Status
Complete
Summary
This manual is helpful for experts and novices alike. Whether you’re new to mass timber or an early adopter you’ll benefit from its comprehensive summary of the most up to date resources on topics from mass timber products and applications to tall wood construction and sustainability. The manual’s content includes WoodWorks technical papers, Think Wood continuing education articles, case studies, expert Q&As, technical guides and other helpful tools. Click through to view each individual resource or download the master resource folder for all files in one handy location. For your convenience, this book will be updated annually as mass timber product development and the market are quickly evolving.
Online Access
Free
Resource Link
Less detail

Sustainability Assessment of Modern High-Rise Timber Buildings

https://research.thinkwood.com/en/permalink/catalogue2820
Year of Publication
2021
Topic
Environmental Impact
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
Application
Hybrid Building Systems
Wood Building Systems
Author
Tupenaite, Laura
Zilenaite, Viktorija
Kanapeckiene, Loreta
Gecys, Tomas
Geipele, Ineta
Publisher
MDPI
Year of Publication
2021
Country of Publication
Switzerland
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
Application
Hybrid Building Systems
Wood Building Systems
Topic
Environmental Impact
Keywords
High-Rise
Sustainability
Multi-criteria assessment
Indicators
Mass Timber
Language
English
Research Status
Complete
Series
Sustainability
Summary
As woodworking and construction technologies improve, the construction of multi-storey timber buildings is gaining popularity worldwide. There is a need to look at the design of existing buildings and assess their sustainability. The aim of the present study is to assess the sustainability of modern high-rise timber buildings using multi-criteria assessment methods. The paper presents a hierarchical system of sustainability indicators and an assessment framework, developed by the authors. Based on this framework, the tallest timber buildings in different countries, i.e., Mjøstårnet in Norway, Brock Commons in Canada, Treet in Norway, Forte in Australia, Strandparken in Sweden and Stadthaus in UK, were compared across the three dimensions of sustainability (environmental, economic/technological, and social). Research has revealed that none of the buildings is leading in all dimensions of sustainability. However, each building is unique and has its own strengths. Overall multi-criteria assessment of the buildings revealed that the Brock Commons building in Canada has received the highest rank in all dimensions of sustainability. The paper contributes to the theory and practice of sustainability assessment and extends the knowledge about high-rise timber buildings. The proposed sustainability assessment framework can be used by both academics and practitioners for assessment of high-rise timber buildings.
Online Access
Free
Resource Link
Less detail

Acoustically-Tested Mass Timber Assemblies

https://research.thinkwood.com/en/permalink/catalogue2639
Year of Publication
2020
Topic
Acoustics and Vibration
Material
CLT (Cross-Laminated Timber)
NLT (Nail-Laminated Timber)
Glulam (Glue-Laminated Timber)
MPP (Mass Plywood Panel)
Application
Floors
Walls

Buildings as a Global Carbon Sink

https://research.thinkwood.com/en/permalink/catalogue2821
Year of Publication
2020
Topic
Environmental Impact
Application
Wood Building Systems
Author
Churkina, Galina
Organschi, Alan
Reyer, Christopher
Ruff, Andrew
Vinke, Kira
Liu, Zhu
Reck, Barabara
Graedel, T.E.
Schellnhuber, Hans Joachim
Publisher
Springer Nature
Year of Publication
2020
Country of Publication
United Kingdom
Format
Journal Article
Application
Wood Building Systems
Topic
Environmental Impact
Keywords
GHG emission reduction
Mid-Rise
Mass Timber
Steel
Concrete
Material Substitution
Commercial Buildings
Residential Buildings
Global
Language
English
Research Status
Complete
Notes
doi.org/10.1038/s41893-019-0462-4
Summary
The anticipated growth and urbanization of the global population over the next several decades will create a vast demand for the construction of new housing, commercial buildings and accompanying infrastructure. The production of cement, steel and other building materials associated with this wave of construction will become a major source of greenhouse gas emissions. Might it be possible to transform this potential threat to the global climate system into a powerful means to mitigate climate change? To answer this provocative question, we explore the potential of mid-rise urban buildings designed with engineered timber to provide long-term storage of carbon and to avoid the carbon-intensive production of mineral-based construction materials.
Online Access
Free
Resource Link
Less detail

Comparison of Carbon Footprints: Mass Timber Buildings vs Steels – A Literature Review

https://research.thinkwood.com/en/permalink/catalogue2380
Year of Publication
2020
Topic
Environmental Impact
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
Application
Wood Building Systems
Author
Cooney, Emily
Publisher
Lakehead University
Year of Publication
2020
Country of Publication
Canada
Format
Thesis
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
Application
Wood Building Systems
Topic
Environmental Impact
Keywords
Sustainability
Carbon Footprint
Mass Timber
Steel
Greenhouse Gases
Climate Change
Engineered Wood Product (EWP)
Language
English
Research Status
Complete
Summary
Sustainability and innovation are key components in the fight against climate change. Mass timber buildings have been gaining popularity due to the renewable nature of timber. Although research comparing mass timber buildings to more mainstream buildings such as steel is still in the early stages and therefore, limited. We are looking to determine the difference between carbon footprints of mass timber and traditional steel and concrete buildings. This is done with the intention of determining the sustainability and practicality of mass timber buildings.
Online Access
Free
Resource Link
Less detail

Flame Spread in Concealed Mass Timber Spaces

https://research.thinkwood.com/en/permalink/catalogue2529
Year of Publication
2020
Topic
Fire
Application
Walls
Floors
Author
Ranger, Lindsay
Dagenais, Christian
Organization
FPInnovations
Year of Publication
2020
Country of Publication
Canada
Format
Report
Application
Walls
Floors
Topic
Fire
Keywords
Floor Voids
Fire Tests
Mid-Rise
Concealed Spaces
Fire Performance
Mass Timber
Language
English
Research Status
Complete
Summary
The overall objective of this work is to expand options for designers of mass timber buildings by reducing the dependence on concrete and gypsum board though the demonstration of adequate fire performance of mass timber assemblies. This work is intended to demonstrate that mass timber surfaces can be left exposed in concealed spaces, under certain conditions, while still performing well to control flame spread; this could result in significant savings in construction. Flame spread testing will be completed to compare the performance of mass timber assemblies and concealed space designs that are currently allowed by the NFPA 13 to be exempt from the installation ofsprinklers. Data is needed to support the use of exposed mass timber in concealed spaces by demonstrating limited flame spread in concealed mass timber void spaces. Flame spread testing has already shown that mass timber has lower flame spread ratings than typically found with thinner wood panels. This will lead the way in allowing unsprinklered 305 mm (12 in.) deep concealed spaces beneath mass timber assemblies or exposed mass timber in other concealed spaces such as hollow wood floor beams. The goal is to generate data to support the use of exposed mass timber in concealed spaces. This data could be used in an Alternative Solution to gain approval for this type of design. Ultimately, this could lead to changing the NBCC to allow exposed mass timber in concealed spaces.
Online Access
Free
Resource Link
Less detail

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

67 records – page 1 of 7.