隅撑支撑钢框架的弹塑性分析模型
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摘要
隅撑支撑框架(KBF)是一种新型的耗能支撑结构体系,本文主要研究了它的弹塑性分析模型。首先提出了隅撑支撑钢框架的恢复力模型;其次,提出了隅撑支撑耗能体系的分析模型,并给出了隅撑支撑耗能体系的等效阻尼和刚度的计算方法;然后,给出了隅撑支撑钢框架的弹塑性分析方法;最后通过算例验证了本文方法的正确性。
The knee-brace-frames (KBF) is a new kind of energy dissipation bracing frames,its elastic-plastic analysis model has been discussed in the paper.First of all,Restoring force model of KBF is established.Secondly,analyzing model of knee-brace and computational method of equivalent damping and stiffness of knee-brace are established.Thirdly,elastic-plastic analysis method of KBF is presented.Finally,an example is presented to verify the method in the paper.
引文
[1]M.Nakashima,K.S.aburi,B.Tsuji.滞回阻尼结构能量的输入和逸散特性.地震工程与工程振动,1997,13(2):91-99
    [2]周云,邓雪松,黄文虎.装有铅橡胶复合阻尼器结构的减震研究.地震工程与工程振动,1998,18(4):103-110
    [3]欧进萍,吴斌,龙旭.耗能减振结构的抗震设计方法.地震工程与工程振动,1998,18(2):98-107
    [4]T.Balendra,Fellow,ASCE,E.L.Lim,C.Y.Liaw.Large-Scale Seis-mic Testing of Knee-Brace-Frame.Journal of Structural Engineering,1997,123(1):11-19

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