Journal
STRUCTURAL SAFETY
Volume 31, Issue 2, Pages 179-187Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.strusafe.2008.06.001
Keywords
Buildings; Earthquakes; Fragility; Reliability; Risk; Structural engineering
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Funding
- University of Illinois at Urbana-Champaign [EEC-9701785]
- MAE Center is a National Science Foundation Engineering Research Center
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Modern seismic risk assessment strives to Support risk mitigation by providing insight into the performance of civil infrastructure, including buildings, bridges and transportation and utility systems, subjected to severe earthquakes. A fully-coupled seismic risk or safety assessment of a structural system, and its accompanying analysis of uncertainty, provides estimates of the annual probability of exceeding pre-defined performance levels, defined either in terms of structural responses or more qualitatively defined damage states. All sources of uncertainty, both inherent and knowledge-based, should be included in risk assessment; however, the manner in which they are displayed depends on the preferences of the stakeholders and decision-makers. This paper illustrates how such uncertainties are propagated through a seismic risk assessment of steel frame building structures that are typical of regions of low-to-moderate seismicity in the Central and Eastern United States and explores sonic of the implications for risk-informed evaluation of civil infrastructure. (c) 2008 Elsevier Ltd. All rights reserved.
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