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Hazard Topography: Visual Approach for Identifying Critical Failure Combinations for Infrastructure

机译:危险地形:识别基础设施关键故障组合的视觉方法

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Infrastructure catastrophes, such as the levee failure during Hurricane Katrina and the Fukashima nuclear disaster, are often triggered by a critical combination of events. Typically, engineers evaluate the risk of failure of infrastructure for a single probabilistic combination of events. This paper focuses on a visual multihazard evaluation method to evaluate infrastructure stability and critical hazard combinations. To present this method, the authors considered the multihazard stability of a flood control earth embankment, evaluated by calculating a factor of safety (FS). Multihazard topography promotes the comparison of design/repair options with stability and two other variables that affect stability. This evaluation tool will assist engineers, owners, and regulatory agencies in the best design or best mitigation evaluation process (for both cost and hazard reduction).
机译:基础设施灾难,例如卡特里娜飓风期间的堤防故障和深岛核灾难,通常是由一系列重要事件共同引发的。通常,工程师会针对事件的单个概率组合评估基础架构故障的风险。本文着重于一种视觉多灾种评估方法,以评估基础设施的稳定性和重大危害组合。为了介绍这种方法,作者考虑了通过计算安全系数(FS)进行评估的防洪土堤的多灾种稳定性。多灾变地形有助于将设计/维修选项与稳定性以及其他两个影响稳定性的变量进行比较。该评估工具将帮助工程师,所有者和监管机构进行最佳设计或最佳缓解评估过程(以降低成本和减少危害)。

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