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Investigation into the Hysteretic Performance of Self-Centering Timber Beam-to-Column Joints

https://research.thinkwood.com/en/permalink/catalogue1562
Year of Publication
2016
Material
Glulam (Glue-Laminated Timber)
Author
Wang, Kangli
Li, Zheng
He, Minjuan
Year of Publication
2016
Format
Conference Paper
Material
Glulam (Glue-Laminated Timber)
Keywords
China
Post-Tensioned
Self-Centering
Energy Dissipation
Joint
Cyclic Loading Tests
Hysteretic Behaviour
Moment-Resisting Capacity
Failure Mechanism
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 22-25, 2016, Vienna, Austria p. 1540-1547
Summary
The seismic performance of a post-tensioned (PT) energy dissipating beam-to-column joint for glulam heavy timber structure is investigated in this paper. Such connection incorporates post-tensioned high-strength strand to provide self-centering capacity along with energy dissipating produced by a special steel cap, which is attached with the timber beam and also to prevent the end bearing failure of wood. The moment-rotation behaviour of the proposed posttensioned timber joint was investigated through a series of cyclic loading tests. The timber joint was loaded at the end of the beams to produce a moment at the joint, and the tests were conducted with three different post-tension forces in the steel strand. The hysteretic behaviour and self-centering capacity of the joint are evaluated based on the results from cyclic loading tests. The failure mechanism of the joint was illustrated through test observations, and the momentresisting capacity and energy dissipation of the joint were analysed with regard to various drift level. This research aims to provide possible solutions to minimize the residual deformation of heavy timber structure made of glulam in China.
Online Access
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Resource Link
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