Evaluation on emergency response vulnerability for work safety accidents in small and micro enterprises

doi:10.16265/j.cnki.issn 1003-3033.2021.12.023

Abstract

Abstract: In order to accurately identify main factors affecting emergency response for work safety accidents in small and micro enterprises, and improve response capabilities, firstly, a vulnerability evaluation system for safety accidents' emergency response in such enterprises was established from a perspective of vulnerability. Secondly, Z-numbers was introduced to construct an vulnerability evaluation model which considered both subjective weight of AHP and objective weight of PCA. Then, fuzzy comprehensive evaluation method was improved by using Z-numbers, and vulnerability level was determined. Finally, model verification was conducted with a small and micro enterprise as an example. The results show that its emergency vulnerability index for safety accidents is 1.756, rated as "relatively vulnerable". Among the four sub-systems, score of "environmental vulnerability" system is relatively low, which should be the priority for current prevention.

Key words: small and micro enterprises, work safety accidents, emergency vulnerability, Z-numbers, analytic hierarchy process (AHP), principal component analysis (PCA), fuzzy comprehensive evaluation

CLC Number:

X913.4

YANG Tianzi, WANG Tieli, PENG Hengming, DUAN Hailin. Evaluation on emergency response vulnerability for work safety accidents in small and micro enterprises[J]. China Safety Science Journal, 2021, 31(12): 176-183.

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