Seismic Probabilistic Risk Assessment for Critical Facilities

by John W. Reed, Jack R. Benjamin & Associates, Inc, Mountain View, CA, USA,



Document Type: Proceeding Paper

Part of: Structural Safety Studies

Abstract: Probabilistic Risk Assessment (PRA) for seismic events is currently being performed for nuclear power plants. The background on seismic PRA is presented along with a basic description of the method. The seismic PRA technique is applicable to other critical facilities besides nuclear power plants. The different approaches for obtaining structure fragility curves are discussed and their applications to structures and equipment, in general, are addressed. It is concluded that seismic PRA is a useful technique for conducting probability analysis for a wide range of classes of structures and equipment.

Subject Headings: Probability | Seismic effects | Power plants | Seismic tests | Risk management | Structural analysis | Nuclear power | Earthquake resistant structures

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