期刊
JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES
卷 24, 期 5, 页码 477-523出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jlp.2011.03.004
关键词
Risk analysis; Risk assessment; Risk estimation; Risk-assessment methodologies; Risk-assessment reviewing; Qualitative; Quantitative; Hybrid techniques
The objective of this work is to determine and study, analyze and elaborate, classify and categorize the main risk analysis and risk-assessment methods and techniques by reviewing the scientific literature. The paper consists of two parts: a) the investigation, presentation and elaboration of the main risk-assessment methodologies and b) the statistical analysis, classification, and comparative study of the corresponding scientific papers published by six representative scientific journals of Elsevier B.V. covering the decade 2000-2009. The scientific literature reviewing showed that the risk analysis and assessment techniques are classified into three main categories: (a) the qualitative, (b) the quantitative, and (c) the hybrid techniques (qualitative quantitative, semi-quantitative). The qualitative techniques are based both on analytical estimation processes, and on the safety managers engineers ability. According to quantitative techniques, the risk can be considered as a quantity, which can be estimated and expressed by a mathematical relation, under the help of real accidents' data recorded in a work site. The hybrid techniques, present a great complexity due to their ad hoc character that prevents a wide spreading. The statistical analysis shows that the quantitative methods present the highest relative frequency (65.63%) while the qualitative a lower one (27.68%). Furthermore the hybrid methods remain constantly at a very low level (6.70%) during the entire processing period. (C) 2011 Elsevier Ltd. All rights reserved.
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