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基于风险地形图的城轨设备风险-维修决策矩阵群构建
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作者 徐保强 靳守杰 +3 位作者 李葆文 何霖 俞军燕 欧阳开 《现代城市轨道交通》 2020年第8期99-104,共6页
城市轨道交通的快速发展对系统运维可靠性和设备维修策略应用提出新的挑战。文章在梳理城市轨道交通所面临的复杂环境因素基础上,结合行业特点分析风险矩阵与故障概率及故障后果的关联关系。通过将大数据与可视化技术相结合,提出风险地... 城市轨道交通的快速发展对系统运维可靠性和设备维修策略应用提出新的挑战。文章在梳理城市轨道交通所面临的复杂环境因素基础上,结合行业特点分析风险矩阵与故障概率及故障后果的关联关系。通过将大数据与可视化技术相结合,提出风险地形图的概念,并从专业系统、运营线路、时间节点和综合因素 4 个层面对风险地形图如何展开进行论述,构建涵盖数据来源及维修策略的城市轨道交通风险-维修决策矩阵群。 展开更多
关键词 城市轨道交通 复杂环境 风险地形图 维修策略 风险-维修决策矩阵群
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Floodplain Hazard Mitigations, Solutions and Recommendations for Wadi Asia in Jeddah-Saudi Arabia
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作者 Nidal Hadadin 《Journal of Environmental Science and Engineering(A)》 2016年第2期71-81,共11页
No simple solution to flood prevention is accessible. This research provides a brief summary of the hydrologic and hydraulic methodology that can be used to develop specific details that integrated the flood informati... No simple solution to flood prevention is accessible. This research provides a brief summary of the hydrologic and hydraulic methodology that can be used to develop specific details that integrated the flood information tool. It permits rapid analysis of a wide variety of stream discharge data and topographic mapping to avoid the flood hazard over entire floodplain boundaries. This paper focuses on the water floodplain hazard in Wadi Asla-Jaddah-Saudi Arabia. The most common type of rainfall in the study area is that accompanied by thunderstorms, which usually fall during the winter season as well as in the spring. The primarily evaluation of this problem and the solution is contemplate. The more essential and "doable" elements of a solutions and recommendations are discussed in this research. 展开更多
关键词 FLOODPLAIN model flood frequencies HYDROGRAPH Wadi Asia.
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