Evaluation of Drift Demands for the Seismic Performance Assessment of Frames
Publication: Journal of Structural Engineering
Volume 131, Issue 7
Abstract
This study presents an evaluation of drift demands and their associated uncertainties for nondeteriorating regular moment resisting frame structures subjected to ordinary ground motions (i.e., without near-fault effects). The only source of uncertainty considered is the uncertainty due to differences in the frequency content of the ground motions. The information presented in this study is deemed to be useful for preliminary design and seismic performance assessment in which the performance targets of interest are those related to damage and loss of function (downtime). Thus, the focus is on ductility levels that are not so large that they cause significant cyclic deterioration in the components of the structural system. The dependence of drift demands (the maximum roof drift, the average of maximum story drifts, and the maximum story drift over the height) on relative ground motion intensity, fundamental period, and number of stories is investigated.
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Acknowledgments
The study on which this paper is based has been funded by the NSF sponsored Pacific Earthquake Engineering Research (PEER) Center. This financial support is gratefully acknowledged.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 131 • Issue 7 • July 2005
Pages: 1003 - 1013
Copyright
© 2005 ASCE.
History
Received: Jan 13, 2004
Accepted: Jul 15, 2004
Published online: Jul 1, 2005
Published in print: Jul 2005
Notes
Note. Associate Editor: Rakesh K. Goel
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