为深入探讨我国重特大事故频发本质原因，在对2013年四起特大生产安全事故调查研究基础上，分析了在事故发生和演变过程中所涌现出的系统脆弱性。对工程技术、管理系统和人员素质方面所出现的脆弱性做了评估和比较分析。认为，系统脆弱性涌现是事故灾难最本质原因，普遍存在的系统脆弱性是一种结构性缺陷。提出应采用现代风险管理方法，对具有潜在性的脆弱性进行识别、评估和控制，提高预防和控制重特大事故强鲁棒性能力。%To further discuss the essential causes of extra serious accidents frequently occurring , on the basis of in-vestigation of four extra serious work safety accidents in 2013 , the article analyzed system vulnerability emerged in the occurrence and evolution of the accident .The vulnerability of engineering , management systems and personnel quality were evaluated and comparative analyzed .It shows that the large emergence of system vulnerability is the most essential reason for the accidents , and the widespread existence of system vulnerability is a kind of structural defect.Then, it is proposed that potential vulnerability is identified , evaluated and controlled by modern risk man-agement methods , to improve the capabilities of strong robust of preventing and controlling the serious accidents .
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