Seismic Performance Evaluation of Facilities: Methodology and Implementation
Publication: Journal of Structural Engineering
Volume 135, Issue 10
Abstract
Performance-based earthquake engineering aims to quantify performance of facilities using metrics that are of immediate use to both engineers and stakeholders. A rigorous yet practical implementation of a performance-based earthquake engineering methodology is developed and demonstrated for an idealized building. The methodology considers seismic hazard, structural response, resulting damage, and repair costs associated with restoring the building to its original condition, using a fully consistent, probabilistic analysis of the associated parts of the problem. The methodology can be generalized to consider other performance measures such as casualties and down time, though these have not been pursued. The proposed procedure is consistent with common building design, construction, and analysis practices such that it can be readily adopted in earthquake engineering practice today.
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Acknowledgments
This work was supported in part by the Earthquake Engineering Research Centers Program of the National Science Foundation under Award No. NSFEEC-9701568 through the Pacific Earthquake Engineering Research Center (PEER). The performance-assessment framework, developed by PEER researchers, was introduced by A. Cornell (Stanford University). Concepts of the performance-assessment implementation were developed in collaboration with C. Comartin (Comartin Associates) and M. Comerio (University of California, Berkeley). A. Dutta and R. Hamburger (Simpson Gumpertz and Heger) designed the example building per code minimum requirements, and R. Bachman, C. Comartin, G. Hecksher, and A. Whittaker (ATC-58 project team) provided associated fragility, repair method, and repair cost information. Any opinions, findings, and conclusion or recommendations expressed in this work are those of the writers and do not necessarily reflect those of the organizations or individuals noted here.
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© 2009 ASCE.
History
Received: Nov 15, 2007
Accepted: Jun 3, 2009
Published online: Sep 15, 2009
Published in print: Oct 2009
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