Simplified Direct Displacement Design of Six-Story Woodframe Building and Pretest Seismic Performance Assessment
Publication: Journal of Structural Engineering
Volume 136, Issue 7
Abstract
This paper presents a simplified direct displacement design (DDD) procedure which was used to design the shear walls for a six-story woodframe structure. The building was tested in the final phase of a Network for Earthquake Engineering Simulation (NEES) project. Specifically, NEESWood Capstone Building was designed to meet four performance expectations: damage limitation, life safety, far-field collapse prevention (CP), and near-fault CP. The performance expectations are defined in terms of combinations of interstory drift limits and prescribed seismic hazard levels associated with predefined nonexceedance probabilities. To verify that design requirements were met, a series of nonlinear time-history analyses (NLTHAs) was performed using suits of both far-field and near-fault ground motion records. The distributions of interstory drifts obtained from the NLTHA confirm that the Capstone Building designed using DDD meets all four target performance expectations, thereby validating the DDD procedure. Additionally, collapse analysis in accordance with the recently proposed Applied Technology Council project 63 (ATC-63) methodology was performed. The results of incremental dynamic analyses confirmed that the Capstone Building designed using the DDD procedure has adequate capacity margin against collapse, as dictated by the ATC-63 methodology.
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Acknowledgments
This material reported in this paper is based on the work supported by the National Science Foundation under Grant Nos. NSFCMI-0529903 (NEES Research) and NSFCMMI-0402490 (NEES Operations). Any opinions, findings, and conclusions or recommendations expressed in this paper are those of the writers and do not necessarily reflect the views of the National Science Foundation. The writers thank Dr. Erol Karacabeyli and Dr. Chun Ni at the FPInnovations, Forintek Div. for providing midply wall test data and reviewing this paper.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 136 • Issue 7 • July 2010
Pages: 813 - 825
Copyright
© 2010 ASCE.
History
Received: May 6, 2009
Accepted: Jan 6, 2010
Published online: Jan 8, 2010
Published in print: Jul 2010
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