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FEMA P58新一代建筑抗震性能评估方法

DOI: 10.13197/j.eeev.2015.03.37.wujw.005, PP. 37-43

Keywords: 地震动强度,抗震性能评估,性能指标,修复造价,人员伤亡

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Abstract:

介绍了FEMAP58提出的新一代建筑抗震性能评估方法。此法适用于新建筑和既有建筑的抗震性能评估,能够评估未来地震下单个建筑的反应结果。评估结果用包括人员伤亡、修复和重建造价以及居住中断时间等的概率分布表达,便于设计人员与业主、投资人或房屋用户等进行沟通。设计人员通过计算性能指标,可以比较不同结构体系潜在年平均地震风险或不同抗震加固方法的效果。业主可根据性能指标作各种决策,如结构体系的选择及房屋成本控制等。本法可对某一特定地震动强度或某一震级、震中距地震以及某一时间段内可能发生的全部地震情况下的建筑抗震性能进行评估。

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