Updating robust reliability fo bridges using measured vibrational data

机译：使用测量的振动数据更新桥梁的鲁棒可靠性

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The concept of robust reliability is defined to take into account uncertainties from structural modeling in addition to the uncertain excitation a structure will experience during its lifetime. A Bayesian probabilistic methodology for system identification is integrated with probabilistic structural analysis tools for the purpose of updating the assessment of the robust reliability based on dynamic test data. Methods for updating the structural reliability for both identifiable and unidentifiable models are presented. Application of the methodology to a simple beam model of a single-span bridge with soil-structure interaction at the abutments, shows that the robust eliabilities computed before and after updating with "measured" dynamic data can differe significantly.

机译：除了不确定的激励之外，稳健可靠性的概念被定义为考虑结构建模的不确定性，除了不确定的激励，结构将在其寿命期间经历。用于系统识别的贝叶斯概率方法与概率结构分析工具集成，以便根据动态测试数据更新鲁棒可靠性的评估。提出了更新可识别和未识别模型的结构可靠性的方法。将方法应用于具有基台土壤结构相互作用的单跨度桥的简单光束模型，表明，在更新“测量”动态数据之前和之后计算的稳健负荷可以显着差异。

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《International conference on applications of statistics and probability》|2000年||共8页
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J.L.Beck; C.Papdimitriou; L.S.Katafygiotis;
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中图分类概率论、数理统计的应用;
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Updating robust reliability fo bridges using measured vibrational data

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