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首页> 外文期刊>Earthquake Engineering & Structural Dynamics >Effects of conditioning criteria for ground motion selection on the probabilistic seismic responses of reinforced concrete buildings
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Effects of conditioning criteria for ground motion selection on the probabilistic seismic responses of reinforced concrete buildings

机译：地面运动选择调节标准对钢筋混凝土建筑概率地震反应的影响

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摘要

Ground motion selection is arguably the most crucial step in performance-based seismic design and risk assessment, as it bears the highest level of uncertainty that needs to be propagated through the calculations. The presently typical approach to capture this uncertainty in predicted structural responses is to use a suite of ground motions that match a uniform-hazard response spectrum. This study examines the downstream effects of ground motion selection made through a variety of conditioning criteria based on one, two, or average of more-than-two intensity measures, and also with respect to different earthquake characteristics. Ductile and nonductile reinforced concrete moment frames with varying heights are used as model problems in detailed parametric studies. A risk-based approach is adopted to develop a point-of-comparison reference demand. Seismic responses obtained using different ground motion suites compiled using three different conditioning criteria are then compared against this reference to determine the extent to which the selected ground motion suites can capture various critical structural responses.
机译：地面运动选择可以说是基于性能的地震设计和风险评估中最关键的步骤，因为它承担了需要通过计算传播的最高水平的不确定性。在预测的结构响应中捕获这种不确定性的目代典型方法是使用符合均匀危害响应谱的地面运动套件。本研究探讨了通过基于一个，两个或平均强度措施的一种，两个或平均的调节标准制备了地面运动选择的下游效果，以及不同的地震特性。具有不同高度的延性和导电型钢筋混凝土时刻框架被用作详细参数研究中的模型问题。采用基于风险的方法来开发比较点参考需求。然后将使用使用三种不同的调节标准编译的不同地运动套件获得的地震反应与该参考进行比较，以确定所选择的地面运动套件可以捕获各种临界结构响应的程度。

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