考虑地面运动不确定性的地面运动记录选择方法研究
发布时间:2019-01-27 13:29
【摘要】:分析国内外当前地面运动记录选择方法后,重点指出我国方法中值得改进之处,提出考虑地面运动记录不确定性的地面运动记录选择方法。并建立Ⅱ类场地地面运动数据库,给出不同震级和距离分组下加速度动力放大系数谱分布规律,以此体现地面运动的不确定性。最后,以一个工程算例来展示考虑地面运动不确定性的地面运动记录选择方法的应用过程和结果。算例的动力时程分析结果表明,由此预测出的结构模型地震反应确实存在着一个明显的分布范围,克服了当前拟合单一目标谱的地面运动记录选择方法抹杀地面运动不确定性的弊端,为全面了解结构在一定地震风险下抗震性能提供可能。
[Abstract]:After analyzing the current ground motion record selection methods at home and abroad, the paper points out that the methods in our country deserve to be improved, and puts forward a ground motion record selection method considering the uncertainty of ground motion record. The ground motion database of class 鈪,
本文编号:2416306
[Abstract]:After analyzing the current ground motion record selection methods at home and abroad, the paper points out that the methods in our country deserve to be improved, and puts forward a ground motion record selection method considering the uncertainty of ground motion record. The ground motion database of class 鈪,
本文编号:2416306
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