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Effective Out-of-Plane Stiffness and Strength of Rotated Cross Laminated Timber Panels

https://research.thinkwood.com/en/permalink/catalogue1622
Year of Publication
2016
Topic
Mechanical Properties
Material
CLT (Cross-Laminated Timber)
Author
Cheng, Alexandra
Schneider, Johannes
Tannert, Thomas
Year of Publication
2016
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Topic
Mechanical Properties
Keywords
Strength
Stiffness
Analytical Model
Finite Element Model
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 22-25, 2016, Vienna, Austria p. 2557-2564
Summary
This research considers the effect of in-plane rotation angles on the structural performance of Cross Laminated Timber (CLT) panels. In the interest of expanding the application of CLT to folded or freeform structures, rectangular CLT panels are likely to be divided into irregular geometries, in which case the loading will be applied at an intermediate orientation between the longitudinal and transverse panel axes. Such a loading condition is not accounted for in the existing analytical methods for dimensioning and designing with CLT. An analytical method is proposed which hybridizes the Shear Analogy method with Hankinson’s equation, allowing a designer to determine the effective stiffness of a CLT panel with any layup and at any in-plane rotation angle. An analytical study, followed by implementation with 3D parametric Finite Element Modelling and an experimental investigation, is used to evaluate this method. Results show that cross-grain/in-plane rotation has considerable effect on strength and stiffness of CLT panels with fewer than 5 laminations.
Online Access
Free
Resource Link
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Shell Structures in Wood

https://research.thinkwood.com/en/permalink/catalogue19
Year of Publication
2015
Topic
Market and Adoption
Design and Systems
Material
CLT (Cross-Laminated Timber)
Application
Shell Structures
Author
Cheng, Alexandra
Meyboom, AnnaLisa
Hunter, Jessica
Neumann, Oliver
Cloutier, Roy
Maia, Sara
Gaudin, Thomas
Tannert, Thomas
Organization
University of British Columbia
Year of Publication
2015
Format
Report
Material
CLT (Cross-Laminated Timber)
Application
Shell Structures
Topic
Market and Adoption
Design and Systems
Keywords
Design
Research Status
Complete
Summary
The larger intention of this research and the future research trajectory is to expand the conception of wood as a structural building material, encouraging its broader use both within Canada and in emerging markets. When architects and engineers desire a...
Online Access
Free
Resource Link
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