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Application of an Improved Model for Accident Analysis: A Case Study.

Jianhao Wang1, Mingwei Yan2

  • 1School of Transportation & Logistics Engineering, Shandong Jiaotong University, Jinan 250357, China. jianhaomail@163.com.

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|August 7, 2019
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Summary

This study introduces an improved accident causation model, linking individual actions to organizational failures. It enhances accident analysis by detailing immediate causes and root causes for better safety management.

Keywords:
accident causation modelaccident investigationcauses analysisindividualorganization

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Area of Science:

  • Occupational Safety and Health
  • Risk Management
  • Industrial Safety Engineering

Background:

  • Accidents stem from immediate causes like unsafe acts and conditions.
  • Root causes often lie in organizational deficiencies, such as poor safety culture and management systems.
  • Weak safety culture negatively impacts safety climate and decision-making.

Purpose of the Study:

  • To propose an improved accident causation model.
  • To demonstrate relationships between individual and organizational causal factors.
  • To provide a clear pathway for accident analysis.

Main Methods:

  • Development of a new accident causation model.
  • Application of the model to a case study (Sinopec Donghuang pipelines incident).
  • Analysis of causality from immediate to root causes.

Main Results:

  • The model explicitly and logically demonstrates the sequence from immediate to root causes.
  • A typical process industry accident (oil leak and explosion) was analyzed using the model.
  • Key lessons were identified for preventing future incidents.

Conclusions:

  • The proposed model offers a clear method for accident investigation and analysis.
  • It serves as a valuable tool for safety practitioners and organizations.
  • The model can be used for staff training to improve accident control.