Safety- barrier diagrams

    Research output: Contribution to journalJournal articleResearchpeer-review


    Safety-barrier diagrams and the related so-called 'bow-tie' diagrams have become popular methods in risk analysis. This paper describes the syntax and principles for constructing consistent and valid safety-barrier diagrams. The relation of safety-barrier diagrams to other methods such as fault trees and Bayesian networks is discussed. A simple method for quantification of safety-barrier diagrams is proposed. It is concluded that safety-barrier diagrams provide a useful framework for an electronic data structure that integrates information from risk analysis with operational safety management.
    Original languageEnglish
    JournalProceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability
    Issue number3
    Pages (from-to)439-448
    Publication statusPublished - 2008


    • safety management
    • safety barrier
    • risk analysis

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