Fuzzy information processing in seismic hazard analysis and decision making

W. M. Dong, W. L. Chiang, H. C. Shah

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

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.

Original languageEnglish
Pages (from-to)220-226
Number of pages7
JournalSoil Dynamics and Earthquake Engineering
Volume6
Issue number4
DOIs
StatePublished - Oct 1987

Keywords

  • decision making
  • fuzzy set
  • interval analysis
  • probability
  • seismic hazard

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