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首页> 外文期刊>Reliability Engineering & System Safety >Application of stress test concepts for port infrastructures against natural hazards. The case of Thessaloniki port in Greece
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Application of stress test concepts for port infrastructures against natural hazards. The case of Thessaloniki port in Greece

机译：压力测试概念在港口基础设施中抵御自然灾害的应用。希腊塞萨洛尼基港案

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摘要

An engineering risk-based methodology for stress testing critical infrastructures is introduced and applied to the port of Thessaloniki in Greece exposed to seismic, geotechnical and tsunami hazards. The methodology workflow consists of four phases: Pre-Assessment, Assessment, Decision and Report phase. In the pre-assessment phase, all the necessary information is collected and archived. For the pilot study, the inventory includes the main port components namely buildings, waterfronts, cranes and the electric power system. Generic or site-specific fragility models are used for all exposed elements and considered hazards. Risk metrics and objectives are defined related to the functionality of the system and the structural losses. In the first level of the assessment phase, the performance of each component is evaluated using a risk-based approach. Then, a system level probabilistic risk analysis is conducted separately for earthquake and tsunami hazards. A complementary scenario-based risk analysis is carried out aiming to investigate the impact of site-specific response and extreme seismic events to the performance of the port In the Decision phase, the results are compared with predefined objectives to decide whether the infrastructure passes, partly passes or fails the test. Guidelines and strategies to improve the performance and resilience of the port are summarized.
机译：引入了一种基于工程风险的方法对关键基础设施进行压力测试，并将其应用于希腊塞萨洛尼基港口，这些港口遭受地震，岩土和海啸危害。方法学工作流包括四个阶段：预评估，评估，决策和报告阶段。在预评估阶段，将收集和存档所有必要的信息。对于试点研究，清单包括主要的港口组件，即建筑物，海滨，起重机和电力系统。通用或特定于现场的脆弱性模型用于所有暴露的因素和被认为是危险的因素。定义了与系统功能和结构损失相关的风险度量和目标。在评估阶段的第一阶段，使用基于风险的方法评估每个组件的性能。然后，针对地震和海啸灾害分别进行系统级概率风险分析。进行了基于情景的补充风险分析，旨在调查特定地点的响应和极端地震事件对港口性能的影响。在决策阶段，将结果与预定目标进行比较，以决定基础设施是否通过。通过或未通过测试。总结了提高港口性能和弹性的指南和策略。

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