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Acoustical Guide: Acoustic Research Report on Mass Timber Buildings

https://research.thinkwood.com/en/permalink/catalogue1839
Year of Publication
2018
Topic
Acoustics and Vibration
Material
CLT (Cross-Laminated Timber)
Other Materials
Application
Floors

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

Advanced Wood-Based Solutions for Mid-Rise and High-Rise Construction: Analytical Models for Balloon-Type CLT Shear Walls

https://research.thinkwood.com/en/permalink/catalogue1877
Year of Publication
2018
Topic
Design and Systems
Material
CLT (Cross-Laminated Timber)
Application
Walls
Author
Chen, Zhiyong
Cuerrier-Auclair, Samuel
Popovski, Marjan
Organization
FPInnovations
Year of Publication
2018
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Application
Walls
Topic
Design and Systems
Keywords
Lateral Loads
Shear
Mass Timber
Language
English
Research Status
Complete
Summary
Lack of research and design information for the seismic performance of balloon-type CLT shear walls prevents CLT from being used as an acceptable solution to resist seismic loads in balloon-type mass-timber buildings. To quantify the performance of balloon-type CLT structures subjected to lateral loads and create the research background for future code implementation of balloon-type CLT systems in CSA O86 and NBCC, FPInnovations initiated a project to determine the behaviour of balloon-type CLT construction. A series of tests on balloon-type CLT walls and connections used in these walls were conducted. Analytical models were developed based on engineering principles and basic mechanics to predict the deflection and resistance of the balloon-type CLT shear walls. This report covers the work related to development of the analytical models and the tests on balloon-type CLT walls that the models were verified against.
Online Access
Free
Resource Link
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Advancement of Timber Panels as Structural Elements in Timber-Steel Composite Floor Systems

https://research.thinkwood.com/en/permalink/catalogue2844
Topic
Design and Systems
Material
Steel-Timber Composite
Application
Floors
Organization
Auburn University
Country of Publication
United States
Material
Steel-Timber Composite
Application
Floors
Topic
Design and Systems
Keywords
Mass Timber
Timber-Steel Hybrid
Language
English
Research Status
In Progress
Notes
Project contact is Kadir Sener at Auburn University
Summary
While the emphasis in the timber industry understandably focuses predominately on complete mass timber structures, opportunities to substantially expand the mass timber market exist using composite timber-steel systems. Timber-steel composite systems have a high potential to be an economically, architecturally, and structurally feasible system to expand the usage of timber panels for mid-rise and high-rise structures where mass timber is currently not a feasible option. In this novel system, prefabricated timber panels replace reinforced concrete slabs to provide the floor and diaphragm elements that work compositely with steel beams and to improve the structural performance compared to either individual material. Considerable testing effort outside the US has explored the feasibility and benefits of these composite systems. This has led to implementation of this novel system on a number of international construction projects. However, the topic has not been assimilated by researchers and practitioners in the US. Hence, this proposal focuses on identifying and removing barriers and providing design guidance on using steel-timber composite systems in US construction. The proposal: (i) Engages a diverse body of stakeholders in an advisory panel and workshop, (ii) Completes engineering-based testing and analysis to demonstrate feasibility, (iii) Performs constructability studies (i.e., construction cost, speed, env. impact), and (iv) Establishes preliminary design guidelines and approaches. The goal of the project will be to demonstrate the performance and economy of a timber-steel composite system(s) and establish preliminary design guidelines and approaches for target stakeholders. Ultimately, the project will develop experimentally validated design-detailing configurations and establish design specifications for new mass timber markets in multiple construction sectors.
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Advancing Tall Mass Timber Buildings through Seismic Resilience Testing

https://research.thinkwood.com/en/permalink/catalogue2584
Topic
Seismic
Material
CLT (Cross-Laminated Timber)
Application
Shear Walls
Wood Building Systems
Cores
Organization
University of Nevada
Country of Publication
United States
Material
CLT (Cross-Laminated Timber)
Application
Shear Walls
Wood Building Systems
Cores
Topic
Seismic
Keywords
Rocking Walls
Shake Table Test
Mass Timber
Non-structural Components and Systems
Research Status
In Progress
Notes
Project contact is Keri Ryan at University of Nevada, Reno
Summary
A landmark shake table test of a 10-story mass timber building will be conducted in late 2020. The test program, funded by other sources, will help accelerate the adoption of economically competitive tall timber buildings by validating the seismic performance of a resilient cross-laminated timber (CLT) rocking wall system. In this project, we leverage and extend the test program by including critical nonstructural components and systems (NCS). Including NCSs, which are most vulnerable to rocking induced deformations of the CLT core, allows investigation of the ramification of this emerging structural type on building resiliency. Quantifying interactions amongst vertically and horizontally spanning NCSs during earthquake shaking will allow designers to develop rational design strategies for future installation of such systems. The expected research outcomes are to expand knowledge of rocking wall system interactions with various NCS, identify NCS vulnerabilities in tall timber buildings, and develop solutions to address these vulnerabilities. Moreover, this effort will greatly increase visibility of the test program. The results of this research will be widely disseminated to timber design and NCS communities through conference presentations, online webinars, and distribution to publicly accessible research repositories. 
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An Overview of Cross-Laminated Timber in North America

https://research.thinkwood.com/en/permalink/catalogue2138
Year of Publication
2018
Topic
Design and Systems
Market and Adoption
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems

Buckling-restrained Braced Frames for Seismically Resilient Mass Timber Buildings

https://research.thinkwood.com/en/permalink/catalogue2571
Topic
Seismic
Wind
Application
Frames
Organization
University of Utah
Country of Publication
United States
Application
Frames
Topic
Seismic
Wind
Keywords
Buckling Restrained Brace Frames
Resilient Building Design
Mass Timber
Energy Dissipation
Monitoring
Research Status
In Progress
Notes
Project contact is Chris Pantelides at the University of Utah
Summary
A mass timber buckling-restrained braced frame is proposed to enhance the seismic resilience of mass timber buildings. Constructed using wood generated from the national forest system, the mass timber buckling-restrained brace will be integrated with a mass timber frame for structural energy dissipation under seismic or wind loads. The team will improve and optimize the design of structural components based on feedback from a real-time health monitoring system. Outcomes include guidelines for a lateral force resisting system of mass timber buildings in high seismic or wind regions.
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Building Affordable Housing with Mass Timber

https://research.thinkwood.com/en/permalink/catalogue2783
Topic
Market and Adoption
Application
Wood Building Systems
Organization
Sustainable Northwest
Hacienda Community Development Group
Country of Publication
United States
Application
Wood Building Systems
Topic
Market and Adoption
Keywords
Mass Timber
Residential Buildings
Life Cycle Analysis
Project Financing
Affordable Housing
Research Status
In Progress
Summary
Sustainable Northwest (SNW) and Hacienda Community Development Group (HCDC), both based in Oregon, have proposed a plan to demonstrate pathways for building affordable housing with regionally sourced mass timber. In response to the region’s housing shortage, the partners’ proposal demonstrates the use of mass timber products while supporting efforts to educate stakeholders on wood product companies and forest restoration. The project outlines a plan to explore financing options, build one or more prototypes, and perform a structural material life cycle analysis.
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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
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Can Mass-Timber Construction Materials Provide Effective Thermal Capacitance in New Homes?

https://research.thinkwood.com/en/permalink/catalogue241
Year of Publication
2012
Topic
Energy Performance
Environmental Impact
Application
Wood Building Systems
Author
Dewsbury, Mark
Geard, Detlev
Fay, Roger
Organization
International Building Performance Simulation Association
Year of Publication
2012
Country of Publication
China
Format
Conference Paper
Application
Wood Building Systems
Topic
Energy Performance
Environmental Impact
Keywords
Australia
Building Code
Building Code of Australia
Carbon
Climate Change
Codes
Embodied Energy
Mass Timber
Thermal
Language
English
Conference
ASim 2012
Research Status
Complete
Notes
November 25-27, 2012, Shanghai, China
Summary
There has been no research to date exploring whether timber products can provide effective thermal capacitance in residential or commercial construction. This research is exploring the use of unique mass-timber products to provide a new form of thermal performance capacitance within the built fabric of new and existing homes. The development of mass timber products is a new paradigm in material and building science research in Australia, requiring the accounting for carbon emissions, carbon sequestration, material embodied energy and material thermal properties for this renewable resource. This paper focuses on the results from preliminary building simulation studies encompassing house energy rating simulations and a comparative analysis of embodied energy and carbon storage for a series of house plans in Australia.
Online Access
Free
Resource Link
Less detail

76 records – page 1 of 8.