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火灾时人员疏散预动作时间的CDF表征法研究
Alternative TitleCumulative Distribution Function Method for the Characterization of Pre-evacuation Time under Building Fire
汪金辉1; 陆守香1; 黄昌兵1
2012
Source Publication中国安全科学学报
ISSN1003-3033
Subtype期刊论文
Volume22Issue:1Pages:58-64
Contribution Rank3
Abstract为表征建筑物火灾环境下人员疏散预动作时间随机性,提出累积分布函数表征法,并给出根据已知累积分布曲线产生随机预动作时间的方法和步骤。对1993年发生在美国纽约2幢世贸中心双子大楼(WT1和WT2)的火灾案例进行分析。结果表明,前人提出的正态分布、威布尔分布等概率分布表征人员疏散预动作时间,具有一定的局限性,对WT1的数据比较适用,对于WT2数据完全失效。而应用累积分布函数法分别对WT1和WT2的数据进行表征,结果表明,模拟生成随机预动作时间的累积分布与原始数据的累积分布曲线完全吻合。同时,随机预动作时间的均值和标准差几乎与样本大小无关。
Other AbstractThis paper first proposes a CDF approach to characterize the occupant's pre-movement time under building fire, and details the procedures for generating stochastic pre-movement times based on a given CDF curve. Then a case is studied on the evacuation time of World Trade Center Twin Towers fire in 1993, it shows that, although the Normal distribution and Weibull distribution, as proposed in previous studies, can agreeably account for the evacuation time data from the Twin Tower 1, they failed terribly to explain the evacuation data from the Twin Tower 2. The CDF method, on the other hand, provides better accounts to both datasets without any pre-defined distributions. Meanwhile, the means and standard deviations of simulated pre-evaeuation times are almost independent of the sample size.
Keyword预动作时间 累积分布函数(CDF) 随机变量 人员疏散 火灾
Subject Area工业与组织心理学
URL查看原文
Indexed ByCSCD
Language中文
Funding Organization国家自然科学基金资助(50909058) ; 上海市晨光计划资助(10CG51)
CSCD IDCSCD:4478837
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/14641
Collection中国科学院行为科学重点实验室
Affiliation1.上海海事大学海洋环境与工程学院
2.中国科学技术大学火灾科学国家重点实验室
3.中国科学院心理研究所行为科学重点实验室
Recommended Citation
GB/T 7714
汪金辉,陆守香,黄昌兵. 火灾时人员疏散预动作时间的CDF表征法研究[J]. 中国安全科学学报,2012,22(1):58-64.
APA 汪金辉,陆守香,&黄昌兵.(2012).火灾时人员疏散预动作时间的CDF表征法研究.中国安全科学学报,22(1),58-64.
MLA 汪金辉,et al."火灾时人员疏散预动作时间的CDF表征法研究".中国安全科学学报 22.1(2012):58-64.
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