Effect of Queti-Inclination Angles on Structural Performance of Tibetan Timber Beam-Column Joints
Publication: Journal of Performance of Constructed Facilities
Volume 32, Issue 3
Abstract
This paper presents an experimental investigation of the structural performance of typical Tibetan timber beam-column joints (BCJs) under vertical load in order to study the effect of queti inclination on the load effects. Five full-scale test specimens are fabricated including one normal joint and four specimens with different queti-inclination angles. The failure modes of components, the evolution of failure of the whole joint with increasing angle of queti inclination, and the load-transferring mechanism of the typical Tibetan timber BCJ are studied. Furthermore, an experimental model of the load-displacement relationship is obtained from nonlinear regression of the experimental data. The structural performance of the joint in terms of the stiffness, yield load, ultimate load-carrying capacity, and their degradation with respect to the queti-inclination angle is investigated. It may be concluded that the queti inclination has a great effect on the deformation caused by floor load. This study provides reference for the safety evaluation and preservation of Tibetan cultural heritage structures.
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Acknowledgments
The authors gratefully acknowledge Professor S. S. Law for his advice on this paper. The work described in this paper was financially supported by the National Natural Science Foundation of China for Excellent Young Scholars (51422801), Beijing Natural Science Foundation of China (Key Program) (8151003), National Natural Science Foundation of China (Key Program) (51338001), and National Key Technology R&D Program (2015BAK01B02).
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Published In
Journal of Performance of Constructed Facilities
Volume 32 • Issue 3 • June 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: May 31, 2017
Accepted: Nov 6, 2017
Published online: Mar 9, 2018
Published in print: Jun 1, 2018
Discussion open until: Aug 9, 2018
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