Abstract
Through analyzing the problems of the Swiss Cheese Model theory and the Energy Theory, this paper combines the two kinds of theories after modifying them for the first time, and a new concise and practical model which has a simple structure and a clear hierarchy is thus put forward based on safety management practices and some related theories. The model not only eliminates the respective defects of the Swiss Cheese Model and the Energy Theory, but also reveals the internal and external causes of accidents. It especially has unique advantages both in analyzing the causes of accidents and in preventing accidents.
Highlights
Based on the above analysis, a new accident prevention model is constructed by combining the energy theory with the modified Swiss cheese model on the basis of the Two Kinds of Hazards Theory
1) The model is simple and practical. It solves the problem of metaphor in the theory of Swiss cheese model and the problem of despising the quality of the barrier caused by the barrier feature
2) The model combines the Energy Theory with the modified Swiss cheese model, the Energy Theory reveals the internal causes of accidents while the modified Swiss cheese model explains external causes of accidents, which make the theory of accident cause more scientific and reasonable
Summary
The QHSE Department, Headquarters of China National Petroleum Co., Beijing, China. (2019) A Concise and Practical Barrier Model. Open Journal of Safety Science and Technology, 9, 93-111.
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