Probabilistic Seismic Loss Assessment of a Vancouver High-Rise Building
Publication: Journal of Structural Engineering
Volume 136, Issue 3
Abstract
A seismic loss curve of a real-world building is obtained by means of state-of-the-art models for the impending ground motion, the structure, the damage of structural and nonstructural components, and the ensuing losses. In particular, the seismic hazard at the building’s location (Vancouver, Canada) is described by a comprehensive probabilistic model. It is argued that this ground motion model is particularly appropriate in reliability analysis compared with the more common utilization of a limited set of scaled ground motions. In this paper the probabilistic integrals are carried out by means of a reliability formulation, in which a series of probabilistic models enter. This is referred to as unified reliability analysis to contrast the unified format of the probabilistic models with alternatives, such as suites of ground motions and fragility curves that themselves are created by reliability analysis. A key contribution in this paper is the comprehensive numerical example, which entails an inelastic dynamic analysis of a finite-element model of a building located in Vancouver.
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Acknowledgments
This research was conducted under the support of the first writer’s Canada Graduate Scholarship from the Natural Sciences and Engineering Research Council of Canada, which is gratefully acknowledged. The writers thank Dr. Carlos Ventura for drawings and other information related to the high-rise building that was analyzed, and Dr. Gail Atkinson for enlightening discussions on ground motion simulation and the EXSIM program employed to simulate subduction ground motions based on finite-fault model.NSERC
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 136 • Issue 3 • March 2010
Pages: 235 - 245
Copyright
© 2010 ASCE.
History
Received: Apr 11, 2008
Accepted: Aug 31, 2009
Published online: Sep 2, 2009
Published in print: Mar 2010
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