Article(id=1281608078655206074, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1281608054340829934, articleNumber=null, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2026.04.0033, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1763654400000, receivedDateStr=2025-11-21, revisedDate=1772208000000, revisedDateStr=2026-02-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1783488777078, onlineDateStr=2026-07-08, pubDate=1777305600000, pubDateStr=2026-04-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783488777078, onlineIssueDateStr=2026-07-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783488777078, creator=13701087609, updateTime=1783488777078, updator=13701087609, issue=Issue{id=1281608054340829934, tenantId=1146029695717560320, journalId=1146031787341344770, year='2026', volume='36', issue='4', pageStart='1', pageEnd='286', issueExtLink='null', onlineDate='null', pubDate='1777305600000', pubDateStr='2026-04-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783488771281, creator='13701087609', updateTime=1783588648031, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1282026967885124001, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1281608054340829934, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1282026967885124002, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1281608054340829934, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=184, endPage=193, ext={EN=ArticleExt(id=1281608078919447227, articleId=1281608078655206074, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=Construction and analysis of a unitary scenario for cascading evolution of emergencies, columnId=1277328338121261909, journalTitle=China Safety Science Journal, columnName=Public Safety and Emergency Management, runingTitle=null, highlight=null, articleAbstract=

To address problems such as fixed granularity in emergency scenario modelling and unclear descriptions of multi-scenario attributes and structures, a top-down unitary-scenario construction method was proposed from a microscopic perspective based on baseline thinking. Evolution relationships were established based on two types of knowledge elements, namely state elements and trigger elements. Combined with a hierarchical PN and refined layer by layer, the cascading evolution scenarios of emergencies were systematically characterized, and the evolution dynamics of scenarios were simulated. Taking cascading lifeline disaster events under heavy rainfall as an example, a hierarchical scenario model was constructed.. The characteristics of cascading failure, common cause failure and escalation failure features were characterized, and the evolution trends were analyzed. The interlocking dilemma between urban lifeline failure and emergency response was identified. The results indicate that the proposed scenario construction method can meet different levels of decision-making needs through a hierarchical scenario structure. The isomorphic Markov chain can identify the critical elements affecting the scenario evolution.

, authors=Yinghua Song1, 2, Hongqian Xu**, 1, 2, Xiaoyan Sang1, 2, authorsList=Yinghua Song, Hongqian Xu, Xiaoyan Sang, authorCompany=null, correspAuthors=Hongqian Xu, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1281608079221437116, articleId=1281608078655206074, tenantId=1146029695717560320, journalId=1146031787341344770, language=CN, title=突发事件连锁演化单一情景构建与分析, columnId=1277328338280645463, journalTitle=中国安全科学学报, columnName=公共安全与应急管理, runingTitle=null, highlight=null, articleAbstract=

针对突发事件情景建模粒度固定、多情景属性和结构描述不清晰等问题,从微观情景视角出发,基于底线思维提出一种自顶向下的单一情景构建方法。通过状态要素和驱动要素2类知识元建立演化关系,结合分层Petri网(PN)逐层求精,系统刻画突发事件连锁演化情景,模拟情景演化态势;以暴雨影响下的生命线灾害级联事件为例,构建分层情景模型,刻画级联失效、共因失效和升级失效特征并分析其演化态势,识别出城市生命线失效与应急响应间的互锁困境。结果表明:该方法可通过分层情景结构满足不同层次决策需求,通过同构马尔可夫链识别影响情景态势发展的关键要素。

, authors=宋英华教授1, 2, 徐弘倩**, 1, 2, 桑小艳1, 2, authorsList=宋英华教授, 徐弘倩, 桑小艳, authorCompany=null, correspAuthors=徐弘倩, authorNote=

宋英华(1962—),男,湖北武汉人,博士,教授,主要从事公共安全与应急管理、公共管理、协同决策等方面的研究。E-mail:

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** 徐弘倩(1994—),女,山东烟台人,博士研究生,主要研究方向为公共安全和应急管理、突发事件情景分析和灾害风险管理。E-mail:
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宋英华(1962—),男,湖北武汉人,博士,教授,主要从事公共安全与应急管理、公共管理、协同决策等方面的研究。E-mail:

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宋英华(1962—),男,湖北武汉人,博士,教授,主要从事公共安全与应急管理、公共管理、协同决策等方面的研究。E-mail:

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突发事件连锁演化单一情景构建与分析
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宋英华教授 1, 2 , 徐弘倩 **, 1, 2 , 桑小艳 1, 2
中国安全科学学报 | 公共安全与应急管理 2026,36(4): 184-193
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中国安全科学学报 |公共安全与应急管理 2026 , 36 (4) : 184 -193
突发事件连锁演化单一情景构建与分析
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宋英华教授1, 2 , 徐弘倩**, 1, 2 , 桑小艳1, 2
作者信息
  • 1武汉理工大学 安全科学与应急管理学院,湖北 武汉 430070
  • 2武汉理工大学 中国应急管理研究中心,湖北 武汉 430070
通讯作者:
** 徐弘倩(1994—),女,山东烟台人,博士研究生,主要研究方向为公共安全和应急管理、突发事件情景分析和灾害风险管理。E-mail:
作者简介:

宋英华(1962—),男,湖北武汉人,博士,教授,主要从事公共安全与应急管理、公共管理、协同决策等方面的研究。E-mail:

Construction and analysis of a unitary scenario for cascading evolution of emergencies
Yinghua Song1, 2 , Hongqian Xu**, 1, 2 , Xiaoyan Sang1, 2
Affiliations
  • 1School of Safety Science and Emergency Management, Wuhan University of Technology, Wuhan Hubei 430070, China
  • 2China Research Center for Emergency Management, Wuhan University of Technology, Wuhan Hubei 430070, China
出版时间: 2026-04-28 doi: 10.16265/j.cnki.issn1003-3033.2026.04.0033
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针对突发事件情景建模粒度固定、多情景属性和结构描述不清晰等问题,从微观情景视角出发,基于底线思维提出一种自顶向下的单一情景构建方法。通过状态要素和驱动要素2类知识元建立演化关系,结合分层Petri网(PN)逐层求精,系统刻画突发事件连锁演化情景,模拟情景演化态势;以暴雨影响下的生命线灾害级联事件为例,构建分层情景模型,刻画级联失效、共因失效和升级失效特征并分析其演化态势,识别出城市生命线失效与应急响应间的互锁困境。结果表明:该方法可通过分层情景结构满足不同层次决策需求,通过同构马尔可夫链识别影响情景态势发展的关键要素。

突发事件  /  单一情景  /  Petri网(PN)  /  连锁演化  /  马尔可夫链

To address problems such as fixed granularity in emergency scenario modelling and unclear descriptions of multi-scenario attributes and structures, a top-down unitary-scenario construction method was proposed from a microscopic perspective based on baseline thinking. Evolution relationships were established based on two types of knowledge elements, namely state elements and trigger elements. Combined with a hierarchical PN and refined layer by layer, the cascading evolution scenarios of emergencies were systematically characterized, and the evolution dynamics of scenarios were simulated. Taking cascading lifeline disaster events under heavy rainfall as an example, a hierarchical scenario model was constructed.. The characteristics of cascading failure, common cause failure and escalation failure features were characterized, and the evolution trends were analyzed. The interlocking dilemma between urban lifeline failure and emergency response was identified. The results indicate that the proposed scenario construction method can meet different levels of decision-making needs through a hierarchical scenario structure. The isomorphic Markov chain can identify the critical elements affecting the scenario evolution.

emergency  /  unitary scenario  /  Petri net(PN)  /  cascading evolution  /  Markov chain
宋英华教授, 徐弘倩, 桑小艳. 突发事件连锁演化单一情景构建与分析. 中国安全科学学报, 2026 , 36 (4) : 184 -193 . DOI: 10.16265/j.cnki.issn1003-3033.2026.04.0033
Yinghua Song, Hongqian Xu, Xiaoyan Sang. Construction and analysis of a unitary scenario for cascading evolution of emergencies[J]. China Safety Science Journal, 2026 , 36 (4) : 184 -193 . DOI: 10.16265/j.cnki.issn1003-3033.2026.04.0033
  • 国家社科基金重大项目资助(21&ZD127)
  • 中央高校基本科研业务费专项资金(104972024KFYzxk0042)
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2026年第36卷第4期
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doi: 10.16265/j.cnki.issn1003-3033.2026.04.0033
  • 接收时间:2025-11-21
  • 首发时间:2026-07-08
  • 出版时间:2026-04-28
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  • 收稿日期:2025-11-21
  • 修回日期:2026-02-28
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国家社科基金重大项目资助(21&ZD127)
中央高校基本科研业务费专项资金(104972024KFYzxk0042)
作者信息
    1武汉理工大学 安全科学与应急管理学院,湖北 武汉 430070
    2武汉理工大学 中国应急管理研究中心,湖北 武汉 430070

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** 徐弘倩(1994—),女,山东烟台人,博士研究生,主要研究方向为公共安全和应急管理、突发事件情景分析和灾害风险管理。E-mail:
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https://castjournals.cast.org.cn/joweb/zgaqkxxb/CN/10.16265/j.cnki.issn1003-3033.2026.04.0033
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2种不同金属材料的力学参数

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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