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Using Improved Principal Component Analysis to Explore Construction Accident Situations from the Multi-Dimensional

Bo Shao1, Zhigen Hu2, Dawei Liu3

  • 1State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China. shaobo910@whu.edu.cn.

International Journal of Environmental Research and Public Health
|September 22, 2019
PubMed
Summary

This study uses improved principal component analysis to analyze construction accidents in China. Findings reveal regional differences and a declining trend from west to east, offering insights for government safety regulations.

Keywords:
accident situationconstruction industrymulti-dimensional perspectiveprincipal component analysis

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Area of Science:

  • Construction Safety
  • Risk Management
  • Statistical Analysis

Background:

  • High accident rates in China's construction industry necessitate urgent government intervention.
  • Understanding macro-level accident situations is crucial for effective safety policy.
  • Existing research often lacks a multi-dimensional perspective on construction safety.

Purpose of the Study:

  • To explore construction accident situations in China using an improved principal component analysis (IPCA).
  • To provide targeted recommendations for improving safety regulations and accident mitigation.
  • To offer a multi-dimensional evaluation framework for construction accident situations.

Main Methods:

  • Selection of six composite indicators based on literature review and expert interviews.
  • Improvement of classical principal component analysis (CPCA) to analyze indicator correlations.
  • Evaluation of accident situations across Chinese provinces using the developed methodology.

Main Results:

  • The improved principal component analysis (IPCA) retains more data dispersion information compared to CPCA.
  • Three principal components (accident frequency, trend, severity) were extracted for quantification.
  • Significant regional disparities in accident situations were identified, with a trend from west to east.

Conclusions:

  • The study provides a robust multi-dimensional framework for evaluating construction accident situations.
  • IPCA offers a superior method for analyzing complex safety data.
  • Findings support the development of region-specific safety regulations to address disparities.