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Fuzzy information processing in seismic hazard analysis and decision making |
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| Authors: | W M Dong W L Chiang H C Shah |
| Institution: | The John A. Blume Earthquake Engineering Center, Department of Civil Engineering, Stanford University, Stanford, CA 94035, USA |
| Abstract: | This paper describes a methodology to incorporate vague information, based upon heuristic knowledge and expertise, into the conventional probabilistic approach for the seismic hazard analysis. The interval analysis method is introduced to process interval information with interpretation from Dempster and Shafer's evidence theory. The Vertex Method is discussed to handle fuzzy information which is a generalization of interval information. These methods, along with the current approach of seismic hazard analysis, are used to assess the seismic hazard for the San Francisco Bay Area in California and to provide information for deciding strengthening policy of existing buildings. |
| Keywords: | fuzzy set probability interval analysis seismic hazard decision making |
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