Performance-Based Seismic Evaluation of Two Five-Story Precast Concrete Hybrid Frame Buildings
Publication: Journal of Structural Engineering
Volume 133, Issue 11
Abstract
The unique features of the hybrid frame, which include minimum structural damage when subjected to earthquake loading and the recentering capability, are the result of using a combination of mild steel reinforcement and unbonded prestressing to establish connections between precast beams and precast columns. Using acceptance criteria defined in terms of interstory frame drift and floor acceleration, this paper presents a multiple-level performance-based seismic evaluation for two five-story precast concrete hybrid frame buildings. The design and analysis of these two buildings, established as the displacement-based and force-based design solutions for a prototype building used in the precast seismic structural system (PRESSS) program, were conducted at 60% scale so that the analysis models could be validated using the PRESSS test data. Despite a difference of 40% in the design base shear, the two buildings satisfied the acceptance criteria when subjected to input motions with intensities less than or equal to that of the design-level earthquake. For input motions, equal to 150% of the design-level earthquake, the building designed using the displacement-based principles did not satisfy the interstory drift limit, whereas the force-based solution provided acceptable performance.
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Acknowledgments
All individuals and organizations, assisted with the study reported in the paper, deserve individual thanks and acknowledgements. The writers would like to thank Professor Eduardo Miranda, Department of Civil and Environmental Engineering, Stanford University, Calif., for providing some of the ground motion data, while most of the remaining ground motion data were downloaded from the website of the Pacific Earthquake Research Center, United States. Special thanks are due to Ms. Suzanne Nakaki of the Nakaki Bashaw Group, Inc., Calif., who provided valuable suggestions for the design of the two hybrid frame buildings.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 133 • Issue 11 • November 2007
Pages: 1489 - 1500
Copyright
© 2007 ASCE.
History
Received: Jan 9, 2006
Accepted: Dec 8, 2006
Published online: Nov 1, 2007
Published in print: Nov 2007
Notes
Note. Associate Editor: Yahya C. Kurama
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