One of the important reasons for the repeated occurrence of the same type of accidents in the group company over the years is the insufficient utilization of accident resources. This paper introduces barrier theory and establishes an accident analysis method system based on barrier theory. Barrier theory changes the traditional accident analysis mode, and adjusts the object of accident analysis from consequence to barrier, which provides a new perspective for the analysis of accident law. This paper develops a HSE text semantic recognition model which can automatically extract the production operation link, production stage and type of failed barriers of the accidents from the accident investigation report, finds out the cause factors leading to the failures of these barriers and establishes a direct relationship with the HSE(Health, Safety and Environment) management system, in a way to find out some common laws of the accidents and reveal the defects and shortcomings in business management.

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