Connections for Timber–Concrete Hybrid Building: Experimental and Numerical Model Results
Publication: Journal of Performance of Constructed Facilities
Volume 30, Issue 5
Abstract
In seismically active regions, the use of timber–reinforced concrete (RC) hybrid construction can overcome the structural limitations that occur with timber construction. This paper investigates three connections used in the timber frame–RC core hybrid system: (1) RC wall-timber beam connection, (2) timber column-base connection, and (3) timber beam-timber column connection. A series of monotonic and reverse-cyclic loading tests were conducted on three replicate connections. Salient features of each connection (i.e., stiffness, ductility, and energy dissipation) were computed from the monotonic loading test results and were used to set the backbone curve of the analytical Pinching4 hysteretic model. Furthermore, the Pinching4 hysteretic models were calibrated with the reverse-cyclic loading test results. Utility of the Pinching4 hysteretic models was shown with performance prediction of a portal frame test. The portal frame results showed good agreement between the finite element model using the calibrated Pinching4 hysteretic models and experimental test results.
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Acknowledgments
The authors would like to thank all the members of the research committees, subcommittees, and working groups of the research and development project on timber-based hybrid building structures.
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Published In
Journal of Performance of Constructed Facilities
Volume 30 • Issue 5 • October 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: May 24, 2015
Accepted: Oct 1, 2015
Published online: Mar 3, 2016
Discussion open until: Aug 3, 2016
Published in print: Oct 1, 2016
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