The Application of Accident Tree Analysis Method in the Safety of Lifting and Hoisting Operations
Based on the accident tree analysis method, this paper analyzes the lifting and hoisting accidents in ship building and repair enterprises. Through the collection and sorting of accident cases, the accident tree analysis method is used to find out all the basic events that may cause the top event, so as to find the causes of the accident. The accident of falling objects injuring people in lifting and hoisting operation is regarded as the top event, and the number of minimal cut sets is 65 items obtained through analysis, after ranking the importance of the basic events, it is concluded that the basic events such as personnel crossing between operation areas, on-site personnel being too close to the lifting objects, and failure of on-site warning signs and reminders have a greater impact on the lifting accident. The accuracy and effectiveness of the accident tree analysis are verified by recent accidents. Finally, the suggestion of safety management measures are put forward, which aims to effectively prevent the probability of similar accidents and improve the safety production management level of the enterprise.
accident tree analysis methodlifting and hoisting operationminimal cut setssafety management