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An Integrated Quantitative Risk Analysis Method For Major Construction Accidents Using Fuzzy Concepts And Influence Diagram, Yong-Huang Lin, Chen-Chung Lin, Yaw-Yauan Tyan
An Integrated Quantitative Risk Analysis Method For Major Construction Accidents Using Fuzzy Concepts And Influence Diagram, Yong-Huang Lin, Chen-Chung Lin, Yaw-Yauan Tyan
Journal of Marine Science and Technology
The accident factor identification and risk assessment is an essential requirement for prevention of major construction accidents in the construction project process. An integrated quantitative risk assessment (IQRA) method has been proposed in this paper to overcome the problems of difficult to quantify accident probability for construction industry. The proposed approach employs influence diagram and fuzzy theory to estimate accident probability and to deal with the imprecision inherent to the process of subjective judgment. A case study that evaluates accident probability of diaphragm wall collapse is presented to illustrate the use of this methodology and to demonstrate its capability.