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Accommodating Shrinkage in Multi-Story Wood-Frame Structures

https://research.thinkwood.com/en/permalink/catalogue712
Year of Publication
2017
Topic
Design and Systems
Moisture
Material
Light Frame (Lumber+Panels)
Application
Wood Building Systems

Enabling Prefabricated Timber Building Systems in Commercial Construction

https://research.thinkwood.com/en/permalink/catalogue1927
Year of Publication
2017
Topic
Market and Adoption
Material
Glulam (Glue-Laminated Timber)
Light Frame (Lumber+Panels)
Application
Wood Building Systems
Author
Bylund, David
Organization
Centre for Sustainable Architecture in Wood
Publisher
Forest & Wood Products Australia
Year of Publication
2017
Country of Publication
Australia
Format
Report
Material
Glulam (Glue-Laminated Timber)
Light Frame (Lumber+Panels)
Application
Wood Building Systems
Topic
Market and Adoption
Keywords
Prefabrication
Commercial
NCC
Mid-Rise
Language
English
Research Status
Complete
ISBN
978-1-925213-58-4
Summary
This project identifies drivers for, and barriers to, the increased use of prefabricated timber building (PTB) systems in Class 2 to 9 commercial buildings, such as apartments, hotels, office buildings and schools. PTB systems in Australia are in a formative stage and yet to achieve broad acceptance in the marketplace as a conventional method of building. Opportunities for PTB systems can use timber’s well-established benefits such as high strength-to-weight ratio; design and construction flexibility; general environmental credentials including carbon sequestration; and prefabrication’s suitability for use on brown-field, restricted access and difficult sites and developments. In addition legislative constraints have now been largely removed (e.g. through changes to the 2016 National Construction Code). An increase in large scale mid-rise prefabricated buildings, and with the increasing nationalisation and internationalisation of the top tier building companies, suggests market acceptance will grow as PTB buildings are seen as ‘normal’.
Online Access
Free
Resource Link
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Implications of NCC 2016 Changes to Deemed-To-Satisfy (DTS) for Mid-Rise Timber Buildings on Supply of Sawn Softwood Timber

https://research.thinkwood.com/en/permalink/catalogue1926
Year of Publication
2017
Topic
Market and Adoption
Design and Systems
Material
Light Frame (Lumber+Panels)
Application
Wood Building Systems

Seismic Response of Mid-Rise Wood-Frame Buildings on Podium

https://research.thinkwood.com/en/permalink/catalogue2604
Year of Publication
2017
Topic
Design and Systems
Seismic
Material
Light Frame (Lumber+Panels)
Application
Wood Building Systems
Author
Chen, Zhiyong
Ni, Chun
Organization
FPInnovations
Year of Publication
2017
Country of Publication
Canada
Format
Report
Material
Light Frame (Lumber+Panels)
Application
Wood Building Systems
Topic
Design and Systems
Seismic
Keywords
Earthquake
Seismic Performance
Mid-Rise
Podium Structures
Stiffness
Language
English
Research Status
Complete
Summary
An analytical study to examine the seismic performance of wood-frame podium buildings up to 8 storeys is presented in this report. Simple archetype podium buildings of 5 to 8 storeys in total height were designed in accordance with the two-step analysis procedure given in 2015 NBCC or ASCE 7-10. Nonlinear time-history dynamic analyses were conducted using earthquake ground motions selected and scaled based on the guidelines proposed by Tremblay et al. to match the reference design spectra in NBCC. Using the performance-based seismic design criteria established in the NEESWood project, it was found that: Podium buildings with a building period ratio of 1.1 (ASCE 7-10) did not meet the performance criteria, thus the period ratio requirement of 1.1 was not appropriate. A stiffness ratio of not less than 10 times (ASCE 7-10) was more appropriate as a requirement of using two-step analysis procedure for wood-frame podium buildings up to 8 storeys, compared to that of not less than 3 times (NBCC Commentary). With a higher stiffness ratio, the seismic response of the upper wood-frame structure of podium building was closer to that of the pure wood-frame structure. The results of this study will be used to guide the assessment of the feasibility of constructing wood-frame podium buildings of 8 storeys in height and the development of design guidelines. This would also guide the longer-term goal of proposing changes to the building codes.
Online Access
Free
Resource Link
Less detail