Revision Method of Potential Life Loss Calculation

摘要：

The Potential Loss of Life (PLL) is one of significant indexes characterising risk using a quantitative risk assessment (QRA) methodology. Potential life loss (PLL) was defined as probability of a life loss in industry accident in the unit time, i.e. the probability of total fatality in the whole area of concern, by combining individual risk with the local population density. But this kind of case commonly appears, i.e. same PLL corresponding different population distributions. If the number of people exposed to a high risk increases a little, the PLL of total area would increases quickly. But in fact, the majority of people of total area are exposed to a low risk. How could we do to deal with these cases? This paper introduces the standard deviation factor of the PLL to revise the effect due to different population distributions, and introduces equity index forcing decision-making reasonable. An example demonstrated that PLL will be more reasonable after introducing standard deviation factor.

关键词： PLL QRA standard deviation equity index

作者: XU Ming DUO Yingquan XIE Zhenhua WU Zongzhi

作者单位: Civil & Environment Engineering School,University of Science and Technology Beijing,Beijing 100083,C China Academy of Safety Science and Technology,Beijing 100029,China

会议类型: 国际会议

会议名称: The 2008 International Symposium on Safety Science and Technology(2008年安全科学技术国际会议)

会议地点: 北京

会议语种:英文

页码: 196-198

在线出版日期: 2008-09-24（万方平台首次上网日期，不代表论文的发表时间）