Performance-based engineering for multiple hazards: the role of structural reliability and risk assessment
Performance-based engineering for multiple hazards: the role of structural reliability and risk assessment
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针对多种危险的基于性能的工程：结构可靠性和风险评估的作用
DOI：
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发表时间：
2015
期刊：
影响因子：
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通讯作者：
B. Ellingwood
中科院分区：
文献类型：
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作者：
B. Ellingwood
建筑物、桥梁和其他民用基础设施是根据现行法规和标准设计的，这些法规和标准所使用的规定总是具有规范性。虽然如此设计的设施在设计基础事件下通常具有足够的安全水平，但其他环境或人为事件可能导致这些设施遭受损坏或丧失功能，导致经济损失，对建筑物的使用者、业主和他们所服务的社区造成不确定的影响。基于性能的工程的新范式使结构工程师能够实现对民用基础设施行为的更可靠和信息量更大的预测，并在一系列危险中控制性能。在基于结构可靠性原则的风险决策框架的支持下，基于性能的工程为利益相关者提供了一个结构化的框架，用于思考性能目标，不确定性以及公共安全和社会经济福祉如何受到民用基础设施在一系列危害下失败的威胁。
Buildings, bridges and other civil infrastructure facilities are designed by current codes and standards using provisions that invariably are prescriptive in nature. While facilities so designed usually possess adequate levels of safety under design-basis events, other environmental or man-made events may cause them to suffer damage or loss of function, leading to economic losses, with uncertain impacts on the building occupants, owners and the community that they serve. The new paradigm of performance-based engineering enables structural engineers to achieve more reliable and informative prediction of civil infrastructure behavior and control of performance across a range of hazards. When supported by a risk-informed decision framework founded on structural reliability principles, performance-based engineering provides stakeholders with a structured framework for thinking about performance objectives, uncertainty, and how public safety and socio-economic well-being may be threatened by the failure of civil infrastructure to perform under a spectrum of hazards.