To vary and improve risk assessment method of port facility security, a new risk assessment approach based on a comprehensive model (DHGF model) is developed, which integrates the Delphi method, the analytic hierarchy process (AHP), grey theory and fuzzy evaluation method. A comprehensive evaluation to the target port facility on security is obtained from qualitative analysis to quantitative analysis by the establishment of a complex risk assessment index system on security environment, security management and emergency management. To testify the feasibility and effectiveness of DHGF model, a practical example is given. The result shows that the application of DHGF model in port facility security assessment makes the conclusion more objective and credible.

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https://www.researchgate.net/publication/308828158_Study_on_the_risk_assessment_approach_of_port_facility_security_based_on_a_comprehensive_model_of_Delphi_method_analytic_hierarchy_process_grey_theory_and_fuzzy_evaluation_method