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Fault Tree Analysis of Infrastructure Ex-posed to Natural Hazards

机译：基础设施对自然灾害的基础设施故障树分析

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摘要

Infrastructure networks are not on secure industrial sites, but are routed across the land. The exposure of network sections to natural events (but also to intentional ones) depends on the spatial distribution and the characteristics of such hazards. The consequences are typically considered in terms of human fatalities, but in the case of networks, such scenarios can be relevant only for a limited number of sections. Instead, it is also important to evaluate what may be the impact of a network failure for large communities in terms of economic loss or public impact. This work proposes a method based on Multi-State Fault Tree Analysis (FTA) for identifying the most critical sections and minimal cut sets of a network, and to evaluate the expected consequences in term of economic loss.
机译：基础设施网络不是安全的工业场所，而是在整个土地上进行排队。网络部分暴露于自然事件（但也与有意的）取决于空间分布和这种危害的特征。后果通常在人类死亡方面考虑，但在网络的情况下，这种情况可以仅为有限数量的部分而相关。相反，在经济损失或公共影响方面评估网络故障对网络故障的影响也很重要。这项工作提出了一种基于多状态故障树分析（FTA）的方法，用于识别网络最关键的部分和最小削减集的网络，并在经济损失期间评估预期后果。

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