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基于GIS的兰成原油管道地质灾害风险评价 被引量:13

GIS based risk assessment on geological disasters along Lanzhou-Chengdu Crude Oil Pipeline
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摘要 兰成原油管道途经区域地质环境条件复杂、地质灾害类型多样,对管道工程和人民生命财产安全潜在危害严重。为了应对各种地质灾害风险,基于GIS技术构建了区域管道地质灾害风险评价模型与评价指标体系,将管道沿线地质灾害风险划分为地质灾害高风险、较高风险、中等风险、较低风险、低风险5个等级。对兰成原油管道沿线地质灾害风险进行评价,根据地质灾害风险评价分区结果,将管道划分成53个地质灾害风险段。评价结果与兰成原油管道实际情况相符,为其地质灾害预防、治理提供了重要的辅助,也可为其他管道的地质灾害风险评价提供参考。(图3,表5,参20) Along Lanzhou-Chengdu Crude Oil Pipeline,the geological conditions are complex with various geological hazards,which brings about serious potential hazards to the safety of pipeline engineering and people’s life and property.In this paper,a risk assessment model and evaluation index system of regional pipeline geological disaster were established based on GIS technology to cope with the hazards of various geological disasters.Then,the risk of the geological disasters along the pipeline was divided into five grades,i.e.,highest risk,higher risk,moderate risk,lower risk and lowest risk.Finally,the risk of the geological disasters along Lanzhou-Chengdu Crude Oil Pipeline was evaluated,and the pipeline was divided into fifty-three risk sections of geologic disaster according to the zoning results of geological hazard risk assessment.The evaluation results are consistent with the actual situations of Lanzhou-Chengdu Crude Oil Pipeline.The research results play an important auxiliary role in the prevention and treatment of geological hazards,and also provide a reference for the risk assessment on the geological disasters along other pipelines.(3 Figures,5 Tables,20 References)
作者 冼国栋 刘奎荣 吴森 谭超 XIAN Guodong;LIU Kuirong;WU Sen;TAN Chao(PetroChina Southwest Pipeline Company;Sichuan Institute of Geological Engineering Investigation)
出处 《油气储运》 CAS 北大核心 2019年第4期379-384,共6页 Oil & Gas Storage and Transportation
基金 西南管道公司科技攻关项目"西南管道公司管道沿线地质灾害风险评价体系 评价模型研究" 20150018 西南管道公司科技攻关项目"西南管道公司管道沿线地质灾害发育分布规律研究及地质环境风险性图形库建设" 20150019
关键词 兰成原油管道 地质灾害 危险性 易损性 GIS 风险评价 Lanzhou-Chengdu Crude Oil Pipeline geological disasters hazard vulnerability GIS risk assessment
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