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System Risk Curves: Probabilistic Performance Scenarios for Highway Networks Subject to Earthquake Damage

机译:系统风险曲线:遭受地震破坏的公路网的概率性能方案

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摘要

Monte Carlo simulation techniques are used with bridge fragility curves to evaluate bridge damage in terms of a bridge damage index, and highway network link damage in terms of a link damage index. Static, user-equilibrium analysis is used to evaluate total transportation network delay due to seismically induced damage inflicted on the Los Angeles and Orange County State highway and freeway network. A method of regional seismic risk analysis for highway systems is developed based on the definition of scenario earthquakes representing the seismic hazard of the region, and hazard-consistent probabilities are computed for each scenario. The final result of these efforts is a transportation system risk curve.
机译:蒙特卡罗模拟技术与桥梁易损性曲线一起使用,以根据桥梁破坏指数评估桥梁破坏,并根据链路破坏指数评估公路网的链路破坏。静态的用户平衡分析用于评估由于地震引起的洛杉矶和奥兰治县州际公路和高速公路网络造成的损坏而造成的总运输网络延迟。根据代表该地区地震危险的情景地震的定义,开发了一种公路系统区域地震风险分析的方法,并针对每种情景计算了与危险一致的概率。这些努力的最终结果是运输系统风险曲线。

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