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Buildings Made of Dowel-Laminated Timber: Joint and Shear Wall Properties

https://research.thinkwood.com/en/permalink/catalogue1718
Year of Publication
2016
Topic
Mechanical Properties
Seismic
Connections
Material
DLT (Dowel Laminated Timber)
Application
Shear Walls
Author
Sandhaas, Carmen
Year of Publication
2016
Country of Publication
Austria
Format
Conference Paper
Material
DLT (Dowel Laminated Timber)
Application
Shear Walls
Topic
Mechanical Properties
Seismic
Connections
Keywords
Joints
Load Carrying Capacity
Cyclic Tests
Energy Dissipation
Behaviour Factors
Numerical Models
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 22-25, 2016, Vienna, Austria p. 4589-4596
Summary
Dowel-laminated timber (DLT) elements consist of lamellae arranged side-by-side that are connected with beech dowels. Due to the glue-free DLT element layup, joints and shear walls potentially suffer from considerable reduction of stiffness and load carrying capacity as metal fasteners inserted perpendicular to the element plane may be placed in gaps between the single lamellae. Tests on typical joints showed that, depending on the fastener diameter, the remaining load carrying capacity of joints in DLT in comparison to joints in solid wood may be only 25%. Tests on DLT shear walls with different sheeting proved that the use of DLT structures as shear walls is only possible if at least one-sided sheeting is used. Cyclic tests on DLT shear walls demonstrated that the DLT construction typology has energy dissipation properties similar to traditional timber frame construction. Analogously, preliminary behaviour factors for DLT buildings evaluated with numerical models were also similar to those for timber frame buildings.
Online Access
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Resource Link
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